#37809B#37809B

#37809B is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.5% C 0.083 H 225.5°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#37809B
RGB	rgb(55, 128, 155)
HSL	hsl(196, 48%, 41%)
HSV	hsv(196, 65%, 61%)
CMYK	cmyk(64.5%, 17.4%, 0%, 39.2%)
CIE-LAB	lab(50.23, -14.04, -21.22)
CIE-LCH	lch(50.23, 25.44, 236.50°)
OKLab	oklab(56.52% -0.0581 -0.0592)
OKLCH	oklch(56.52% 0.083 225.5)
XYZ	xyz(15.2088, 18.6156, 33.7956)
Luminance	0.1862 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37809B #9B5237

analogous

#379B84 #37809B #374E9B

triadic

#37809B #9B3780 #809B37

tetradic

#37809B #84379B #9B5237 #4E9B37

square

#37809B #84379B #9B5237 #4E9B37

split-complementary

#37809B #9B374E #9B8437

monochromatic

#173541 #275B6E #37809B #4FA2C0 #7CBAD0

Accessibility & contrast

On white

4.45

#37809B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#37809B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37809B

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37809B	#FFFFFF	#000000	##000000
##37809B	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717D9C

Deuteranopia (green-blind)

#63739B

Tritanopia (blue-blind)

#008889

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #37809b;
/* rgb */ color: rgb(55, 128, 155);
/* oklch */ color: oklch(56.5% 0.083 225.5);

Tailwind

colors: {
  custom: {
    50: '#79a5b8',
    500: '#37809b',
    950: '#000000',
  },
}

SCSS

$custom: #37809b;
$custom-light: #79a5b8;
$custom-dark: #000000;

JSON

{
  "hex": "#37809b",
  "rgb": {
    "r": 55,
    "g": 128,
    "b": 155
  },
  "hsl": {
    "h": 196.2,
    "s": 47.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.56521,
    "c": 0.08294,
    "h": 225.5
  },
  "luminance": 0.18617
}

Semantic roles & 50–950 ramp

primary

#37809B

secondary

#BA8774

accent

#7551D7

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #37809B

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

Preview Lab → · Contrast checker → · Palette generator →