Cerulean Blue#056EEE

#056EEE is a mid, highly saturated cyan. Relative luminance 0.174; OKLCH L 56.6% C 0.210 H 258.4°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Cerulean Blue — editorial page

Color values

HEX	#056EEE
RGB	rgb(5, 110, 238)
HSL	hsl(213, 96%, 48%)
HSV	hsv(213, 98%, 93%)
CMYK	cmyk(97.9%, 53.8%, 0%, 6.7%)
CIE-LAB	lab(48.70, 23.69, -71.22)
CIE-LCH	lch(48.70, 75.06, 288.40°)
OKLab	oklab(56.55% -0.0423 -0.2059)
OKLCH	oklch(56.55% 0.21 258.4)
XYZ	xyz(21.0654, 17.3543, 83.1118)
Luminance	0.1736 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#056EEE #EE8505

analogous

#05E3EE #056EEE #1005EE

triadic

#056EEE #EE056E #6EEE05

tetradic

#056EEE #EE05E3 #EE8505 #05EE10

square

#056EEE #EE05E3 #EE8505 #05EE10

split-complementary

#056EEE #EE1005 #E3EE05

monochromatic

#023776 #0452B2 #056EEE #358EFB #71B0FC

Accessibility & contrast

On white

4.70

#056EEE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#056EEE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #056EEE

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##056EEE	#FFFFFF	#000000	##FFFFFF
##056EEE	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007EF2

Deuteranopia (green-blind)

#006BEC

Tritanopia (blue-blind)

#008EA3

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #056eee;
/* rgb */ color: rgb(5, 110, 238);
/* oklch */ color: oklch(56.6% 0.210 258.4);

Tailwind

colors: {
  custom: {
    50: '#7f96f4',
    500: '#056eee',
    950: '#000000',
  },
}

SCSS

$custom: #056eee;
$custom-light: #7f96f4;
$custom-dark: #000000;

JSON

{
  "hex": "#056eee",
  "rgb": {
    "r": 5,
    "g": 110,
    "b": 238
  },
  "hsl": {
    "h": 212.961,
    "s": 95.885,
    "l": 47.647
  },
  "oklch": {
    "l": 0.56551,
    "c": 0.21023,
    "h": 258.4
  },
  "luminance": 0.17357
}

Semantic roles & 50–950 ramp

primary

#056EEE

secondary

#E2AD6D

accent

#9E29FF

background

#F8F9FF

surface

#F0F1FE

border

#CBCBD6

text

#0C0D17

muted

#7D7E85

Preview Lab

Preview with #056EEE

Body copy rendered with the generated semantic roles for this colour.

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