#4278AE#4278AE

#4278AE is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 56.0% C 0.102 H 250.1°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4278AE
RGB	rgb(66, 120, 174)
HSL	hsl(210, 45%, 47%)
HSV	hsv(210, 62%, 68%)
CMYK	cmyk(62.1%, 31%, 0%, 31.8%)
CIE-LAB	lab(49.06, -0.96, -34.06)
CIE-LCH	lch(49.06, 34.08, 268.39°)
OKLab	oklab(55.98% -0.0348 -0.0961)
OKLCH	oklch(55.98% 0.102 250.1)
XYZ	xyz(16.6004, 17.6456, 42.5673)
Luminance	0.1765 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4278AE #AE7842

analogous

#42AEAE #4278AE #4242AE

triadic

#4278AE #AE4278 #78AE42

tetradic

#4278AE #AE42AE #AE7842 #42AE42

square

#4278AE #AE42AE #AE7842 #42AE42

split-complementary

#4278AE #AE4242 #AEAE42

monochromatic

#203B55 #315982 #4278AE #6897C6 #94B5D6

Accessibility & contrast

On white

4.64

#4278AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#4278AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4278AE

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4278AE	#FFFFFF	#000000	##FFFFFF
##4278AE	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#617AB0

Deuteranopia (green-blind)

#5270AD

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4278ae;
/* rgb */ color: rgb(66, 120, 174);
/* oklch */ color: oklch(56.0% 0.102 250.1);

Tailwind

colors: {
  custom: {
    50: '#809ec6',
    500: '#4278ae',
    950: '#000000',
  },
}

SCSS

$custom: #4278ae;
$custom-light: #809ec6;
$custom-dark: #000000;

JSON

{
  "hex": "#4278ae",
  "rgb": {
    "r": 66,
    "g": 120,
    "b": 174
  },
  "hsl": {
    "h": 210,
    "s": 45,
    "l": 47.059
  },
  "oklch": {
    "l": 0.55984,
    "c": 0.10222,
    "h": 250.1
  },
  "luminance": 0.17647
}

Semantic roles & 50–950 ramp

primary

#4278AE

secondary

#C2A68A

accent

#9453D5

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4278AE

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

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