#37809D#37809D

#37809D is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.6% C 0.085 H 227.3°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#37809D
RGB	rgb(55, 128, 157)
HSL	hsl(197, 48%, 42%)
HSV	hsv(197, 65%, 62%)
CMYK	cmyk(65%, 18.5%, 0%, 38.4%)
CIE-LAB	lab(50.31, -13.39, -22.26)
CIE-LCH	lch(50.31, 25.97, 238.98°)
OKLab	oklab(56.61% -0.0573 -0.0622)
OKLCH	oklch(56.61% 0.085 227.3)
XYZ	xyz(15.3781, 18.6833, 34.6875)
Luminance	0.1868 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37809D #9D5437

analogous

#379D87 #37809D #374D9D

triadic

#37809D #9D3780 #809D37

tetradic

#37809D #87379D #9D5437 #4D9D37

square

#37809D #87379D #9D5437 #4D9D37

split-complementary

#37809D #9D374D #9D8737

monochromatic

#173642 #275B70 #37809D #50A1C2 #7DB9D1

Accessibility & contrast

On white

4.43

#37809D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#37809D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37809D

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37809D	#FFFFFF	#000000	##000000
##37809D	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717E9E

Deuteranopia (green-blind)

#62739D

Tritanopia (blue-blind)

#008889

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #37809d;
/* rgb */ color: rgb(55, 128, 157);
/* oklch */ color: oklch(56.6% 0.085 227.3);

Tailwind

colors: {
  custom: {
    50: '#79a5ba',
    500: '#37809d',
    950: '#000000',
  },
}

SCSS

$custom: #37809d;
$custom-light: #79a5ba;
$custom-dark: #000000;

JSON

{
  "hex": "#37809d",
  "rgb": {
    "r": 55,
    "g": 128,
    "b": 157
  },
  "hsl": {
    "h": 197.059,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.56612,
    "c": 0.08456,
    "h": 227.3
  },
  "luminance": 0.18685
}

Semantic roles & 50–950 ramp

primary

#37809D

secondary

#BB8975

accent

#7750D8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #37809D

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

Preview Lab → · Contrast checker → · Palette generator →