#37718D#37718D

#37718D is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 52.2% C 0.075 H 231.6°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#37718D
RGB	rgb(55, 113, 141)
HSL	hsl(200, 44%, 38%)
HSV	hsv(200, 61%, 55%)
CMYK	cmyk(61%, 19.9%, 0%, 44.7%)
CIE-LAB	lab(45.00, -10.13, -21.02)
CIE-LCH	lch(45.00, 23.33, 244.26°)
OKLab	oklab(52.16% -0.0465 -0.0587)
OKLCH	oklch(52.16% 0.075 231.6)
XYZ	xyz(12.2866, 14.5444, 27.3540)
Luminance	0.1455 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37718D #8D5337

analogous

#378D7E #37718D #37468D

triadic

#37718D #8D3771 #718D37

tetradic

#37718D #7E378D #8D5337 #468D37

square

#37718D #7E378D #8D5337 #468D37

split-complementary

#37718D #8D3746 #8D7E37

monochromatic

#152A35 #264E61 #37718D #4994B8 #75AEC9

Accessibility & contrast

On white

5.37

#37718D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#37718D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37718D

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37718D	#FFFFFF	#000000	##FFFFFF
##37718D	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63708E

Deuteranopia (green-blind)

#57678D

Tritanopia (blue-blind)

#00797A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #37718d;
/* rgb */ color: rgb(55, 113, 141);
/* oklch */ color: oklch(52.2% 0.075 231.6);

Tailwind

colors: {
  custom: {
    50: '#7699ae',
    500: '#37718d',
    950: '#000000',
  },
}

SCSS

$custom: #37718d;
$custom-light: #7699ae;
$custom-dark: #000000;

JSON

{
  "hex": "#37718d",
  "rgb": {
    "r": 55,
    "g": 113,
    "b": 141
  },
  "hsl": {
    "h": 199.535,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.52161,
    "c": 0.07489,
    "h": 231.6
  },
  "luminance": 0.14546
}

Semantic roles & 50–950 ramp

primary

#37718D

secondary

#B2846E

accent

#7E54D4

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #37718D

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

Preview Lab → · Contrast checker → · Palette generator →