#37515F#37515F

#37515F is a dark, muted cyan. Relative luminance 0.075; OKLCH L 42.0% C 0.039 H 232.4°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#37515F
RGB	rgb(55, 81, 95)
HSL	hsl(201, 27%, 29%)
HSV	hsv(201, 42%, 37%)
CMYK	cmyk(42.1%, 14.7%, 0%, 62.7%)
CIE-LAB	lab(32.97, -5.74, -11.27)
CIE-LCH	lch(32.97, 12.65, 243.02°)
OKLab	oklab(41.98% -0.0239 -0.031)
OKLCH	oklch(41.98% 0.039 232.4)
XYZ	xyz(6.5828, 7.5229, 11.9294)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37515F #5F4537

analogous

#375F59 #37515F #373D5F

triadic

#37515F #5F3751 #515F37

tetradic

#37515F #59375F #5F4537 #3D5F37

square

#37515F #59375F #5F4537 #3D5F37

split-complementary

#37515F #5F373D #5F5937

monochromatic

#0B1113 #213038 #37515F #4D7286 #6992A8

Accessibility & contrast

On white

8.38

#37515F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#37515F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37515F

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37515F	#FFFFFF	#000000	##FFFFFF
##37515F	1.00	8.38	2.50	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5060

Deuteranopia (green-blind)

#454C5F

Tritanopia (blue-blind)

#285555

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #37515f;
/* rgb */ color: rgb(55, 81, 95);
/* oklch */ color: oklch(42.0% 0.039 232.4);

Tailwind

colors: {
  custom: {
    50: '#70818c',
    500: '#37515f',
    950: '#000000',
  },
}

SCSS

$custom: #37515f;
$custom-light: #70818c;
$custom-dark: #000000;

JSON

{
  "hex": "#37515f",
  "rgb": {
    "r": 55,
    "g": 81,
    "b": 95
  },
  "hsl": {
    "h": 201,
    "s": 26.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.41981,
    "c": 0.03917,
    "h": 232.4
  },
  "luminance": 0.07523
}

Semantic roles & 50–950 ramp

primary

#37515F

secondary

#8F7262

accent

#8665C3

background

#F6F7F8

surface

#ECEEF0

border

#C7C9CB

text

#070A0C

muted

#7A7C7D

Preview Lab

Preview with #37515F

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

Preview Lab → · Contrast checker → · Palette generator →