#37638D#37638D

#37638D is a mid, moderate cyan. Relative luminance 0.117; OKLCH L 48.7% C 0.084 H 248.9°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#37638D
RGB	rgb(55, 99, 141)
HSL	hsl(209, 44%, 38%)
HSV	hsv(209, 61%, 55%)
CMYK	cmyk(61%, 29.8%, 0%, 44.7%)
CIE-LAB	lab(40.67, -1.76, -27.75)
CIE-LCH	lch(40.67, 27.81, 266.38°)
OKLab	oklab(48.73% -0.0302 -0.0781)
OKLCH	oklch(48.73% 0.084 248.9)
XYZ	xyz(10.8434, 11.6580, 26.8729)
Luminance	0.1166 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37638D #8D6137

analogous

#378D8C #37638D #37388D

triadic

#37638D #8D3763 #638D37

tetradic

#37638D #8C378D #8D6137 #388D37

square

#37638D #8C378D #8D6137 #388D37

split-complementary

#37638D #8D3738 #8D8C37

monochromatic

#152535 #264461 #37638D #4982B8 #75A0C9

Accessibility & contrast

On white

6.30

#37638D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#37638D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37638D

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37638D	#FFFFFF	#000000	##FFFFFF
##37638D	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51658F

Deuteranopia (green-blind)

#465C8C

Tritanopia (blue-blind)

#006D72

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #37638d;
/* rgb */ color: rgb(55, 99, 141);
/* oklch */ color: oklch(48.7% 0.084 248.9);

Tailwind

colors: {
  custom: {
    50: '#768fae',
    500: '#37638d',
    950: '#000000',
  },
}

SCSS

$custom: #37638d;
$custom-light: #768fae;
$custom-dark: #000000;

JSON

{
  "hex": "#37638d",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 141
  },
  "hsl": {
    "h": 209.302,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.4873,
    "c": 0.08376,
    "h": 248.9
  },
  "luminance": 0.11659
}

Semantic roles & 50–950 ramp

primary

#37638D

secondary

#B28F6E

accent

#9254D4

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#090C10

muted

#7B7D7F

Preview Lab

Preview with #37638D

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

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