#4378AC#4378AC

#4378AC is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.9% C 0.099 H 249.6°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4378AC
RGB	rgb(67, 120, 172)
HSL	hsl(210, 44%, 47%)
HSV	hsv(210, 61%, 67%)
CMYK	cmyk(61%, 30.2%, 0%, 32.5%)
CIE-LAB	lab(49.01, -1.44, -32.98)
CIE-LCH	lch(49.01, 33.01, 267.50°)
OKLab	oklab(55.92% -0.0346 -0.093)
OKLCH	oklch(55.92% 0.099 249.6)
XYZ	xyz(16.4749, 17.6033, 41.5513)
Luminance	0.1761 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4378AC #AC7743

analogous

#43ACAC #4378AC #4344AC

triadic

#4378AC #AC4378 #78AC43

tetradic

#4378AC #AC43AC #AC7743 #44AC43

square

#4378AC #AC43AC #AC7743 #44AC43

split-complementary

#4378AC #AC4344 #ACAC43

monochromatic

#213B54 #325980 #4378AC #6897C4 #94B5D5

Accessibility & contrast

On white

4.64

#4378AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#4378AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4378AC

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4378AC	#FFFFFF	#000000	##FFFFFF
##4378AC	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627AAE

Deuteranopia (green-blind)

#5470AB

Tritanopia (blue-blind)

#00848A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4378ac;
/* rgb */ color: rgb(67, 120, 172);
/* oklch */ color: oklch(55.9% 0.099 249.6);

Tailwind

colors: {
  custom: {
    50: '#809ec5',
    500: '#4378ac',
    950: '#000000',
  },
}

SCSS

$custom: #4378ac;
$custom-light: #809ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#4378ac",
  "rgb": {
    "r": 67,
    "g": 120,
    "b": 172
  },
  "hsl": {
    "h": 209.714,
    "s": 43.933,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55924,
    "c": 0.09918,
    "h": 249.6
  },
  "luminance": 0.17605
}

Semantic roles & 50–950 ramp

primary

#4378AC

secondary

#C1A58A

accent

#9354D4

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4378AC

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

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