#37454C#37454C

#37454C is a dark, muted cyan. Relative luminance 0.056; OKLCH L 38.1% C 0.022 H 229.7°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#37454C
RGB	rgb(55, 69, 76)
HSL	hsl(200, 16%, 26%)
HSV	hsv(200, 28%, 30%)
CMYK	cmyk(27.6%, 9.2%, 0%, 70.2%)
CIE-LAB	lab(28.35, -3.74, -6.06)
CIE-LCH	lch(28.35, 7.12, 238.34°)
OKLab	oklab(38.09% -0.014 -0.0165)
OKLCH	oklch(38.09% 0.022 229.7)
XYZ	xyz(5.0078, 5.5901, 7.6512)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37454C #4C3E37

analogous

#374C48 #37454C #373A4C

triadic

#37454C #4C3745 #454C37

tetradic

#37454C #48374C #4C3E37 #3A4C37

square

#37454C #48374C #4C3E37 #3A4C37

split-complementary

#37454C #4C373A #4C4837

monochromatic

#0D1012 #1D2528 #37454C #516570 #6A8593

Accessibility & contrast

On white

9.92

#37454C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#37454C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37454C

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37454C	#FFFFFF	#000000	##FFFFFF
##37454C	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41444C

Deuteranopia (green-blind)

#3E424C

Tritanopia (blue-blind)

#314747

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #37454c;
/* rgb */ color: rgb(55, 69, 76);
/* oklch */ color: oklch(38.1% 0.022 229.7);

Tailwind

colors: {
  custom: {
    50: '#6e787e',
    500: '#37454c',
    950: '#000000',
  },
}

SCSS

$custom: #37454c;
$custom-light: #6e787e;
$custom-dark: #000000;

JSON

{
  "hex": "#37454c",
  "rgb": {
    "r": 55,
    "g": 69,
    "b": 76
  },
  "hsl": {
    "h": 200,
    "s": 16.031,
    "l": 25.686
  },
  "oklch": {
    "l": 0.38089,
    "c": 0.02165,
    "h": 229.7
  },
  "luminance": 0.0559
}

Semantic roles & 50–950 ramp

primary

#37454C

secondary

#7C6B63

accent

#886FB9

background

#F6F7F7

surface

#ECEDEE

border

#C7C8C9

text

#070909

muted

#7A7B7B

Preview Lab

Preview with #37454C

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

Preview Lab → · Contrast checker → · Palette generator →