HomeColor Encyclopedia
Blue · 🗳️ XKCD

Cerulean Blue

#056EEE

A medium vivid blue with cool undertones. Named by popular vote in the XKCD color survey — a crowdsourced color name used by 98+ respondents.

Generate palette with this color →

Emotion & Mood

Emotion
BalancedVibrantCool
Mood
EnergeticDynamic

Personality & Symbolism

ConfidentStrongAssertive
Recommended Use

Suitable for accent colors and attention-grabbing elements.

Color Harmonies

Complementary
#056eee
+
#f08605
Split Complementary
#f01105
#056eee
#e4f005
Darker Shades
Lighter Tints

Visual Analysis

Hue213°
Saturation96%
Lightness48%
This is a medium-toned color with high saturation. It falls in the blue hue family (213°).

Technical Values

HEX#056EEE
RGBrgb(5, 110, 238)
HSLhsl(213, 96%, 48%)
CMYK98%, 54%, 0%, 7%
ContrastDark
CSSbackground: #056eee;

Accessibility — WCAG Contrast

White Text Sample
The quick brown fox jumps.
4.70:1
AA AAA
Black Text Sample
The quick brown fox jumps.
4.47:1
AA AAA

WCAG 2.1 requires a contrast ratio of ≥4.5:1 for AA (normal text) and ≥7:1 for AAA. Best text color for this background: white (#FFFFFF).

Color Psychology

Color Temperature

This cool-toned color (hue 213°) evokes feelings of calm, trust, and intellectual focus. Cool colors tend to recede visually, creating depth and spaciousness in layouts.

Visual Weight

This mid-range lightness (48%) creates a balanced visual presence — neither heavy nor ethereal. It works well for both text and interactive elements.

Saturation Impact

The high saturation (96%) creates a vibrant, attention-demanding presence. Highly saturated colors are processed faster by the human brain — reaction time decreases by approximately 50ms compared to desaturated variants.

Design Applications

Corporate & Enterprise

Communicates trust and professionalism — the top choice for corporate sites, legal firms, and B2B SaaS.

Government & Institutions

Authority and dependability — frequently used for government portals, educational institutions, and official communications.

CTAs & Accents

High saturation draws attention — use for primary buttons, notification badges, and important interactive elements.

Similar Colors

Marine
#042E60
Medium Blue Shade
#526E8F
褐 (Kachi)
#08192D
Dusk Blue
#26538D
looking through you
#7F94B0
Powder Blue
#B1D1FC
Windows Blue
#3778BF
石板灰 (Mighty Slate)
#515E6C