#37506B#37506B

#37506B is a dark, muted cyan. Relative luminance 0.076; OKLCH L 42.3% C 0.055 H 251.1°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#37506B
RGB	rgb(55, 80, 107)
HSL	hsl(211, 32%, 32%)
HSV	hsv(211, 49%, 42%)
CMYK	cmyk(48.6%, 25.2%, 0%, 58%)
CIE-LAB	lab(33.16, -1.34, -18.54)
CIE-LCH	lch(33.16, 18.59, 265.86°)
OKLab	oklab(42.3% -0.0177 -0.0517)
OKLCH	oklch(42.3% 0.055 251.1)
XYZ	xyz(7.0972, 7.6106, 15.0021)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37506B #6B5237

analogous

#376A6B #37506B #38376B

triadic

#37506B #6B3750 #506B37

tetradic

#37506B #6B376A #6B5237 #376B38

square

#37506B #6B376A #6B5237 #376B38

split-complementary

#37506B #6B3837 #6A6B37

monochromatic

#0D141A #223243 #37506B #4C6E93 #6A8DB2

Accessibility & contrast

On white

8.33

#37506B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#37506B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37506B

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37506B	#FFFFFF	#000000	##FFFFFF
##37506B	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45516C

Deuteranopia (green-blind)

#3F4C6A

Tritanopia (blue-blind)

#215659

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #37506b;
/* rgb */ color: rgb(55, 80, 107);
/* oklch */ color: oklch(42.3% 0.055 251.1);

Tailwind

colors: {
  custom: {
    50: '#718195',
    500: '#37506b',
    950: '#000000',
  },
}

SCSS

$custom: #37506b;
$custom-light: #718195;
$custom-dark: #000000;

JSON

{
  "hex": "#37506b",
  "rgb": {
    "r": 55,
    "g": 80,
    "b": 107
  },
  "hsl": {
    "h": 211.154,
    "s": 32.099,
    "l": 31.765
  },
  "oklch": {
    "l": 0.42299,
    "c": 0.05463,
    "h": 251.1
  },
  "luminance": 0.07611
}

Semantic roles & 50–950 ramp

primary

#37506B

secondary

#9B8062

accent

#9660C8

background

#F6F7F9

surface

#ECEEF1

border

#C7C9CB

text

#080A0D

muted

#7B7C7E

Preview Lab

Preview with #37506B

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

Preview Lab → · Contrast checker → · Palette generator →