#37759D#37759D

#37759D is a mid, moderate cyan. Relative luminance 0.160; OKLCH L 53.9% C 0.090 H 239.7°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#37759D
RGB	rgb(55, 117, 157)
HSL	hsl(204, 48%, 42%)
HSV	hsv(204, 65%, 62%)
CMYK	cmyk(65%, 25.5%, 0%, 38.4%)
CIE-LAB	lab(46.93, -7.07, -27.49)
CIE-LCH	lch(46.93, 28.39, 255.57°)
OKLab	oklab(53.92% -0.0452 -0.0773)
OKLCH	oklch(53.92% 0.09 239.7)
XYZ	xyz(14.0203, 15.9677, 34.2349)
Luminance	0.1597 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37759D #9D5F37

analogous

#379D92 #37759D #37429D

triadic

#37759D #9D3775 #759D37

tetradic

#37759D #92379D #9D5F37 #429D37

square

#37759D #92379D #9D5F37 #429D37

split-complementary

#37759D #9D3742 #9D9237

monochromatic

#173142 #275370 #37759D #5095C2 #7DB0D1

Accessibility & contrast

On white

5.01

#37759D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#37759D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37759D

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37759D	#FFFFFF	#000000	##FFFFFF
##37759D	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63759F

Deuteranopia (green-blind)

#556B9C

Tritanopia (blue-blind)

#007F83

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #37759d;
/* rgb */ color: rgb(55, 117, 157);
/* oklch */ color: oklch(53.9% 0.090 239.7);

Tailwind

colors: {
  custom: {
    50: '#789cba',
    500: '#37759d',
    950: '#000000',
  },
}

SCSS

$custom: #37759d;
$custom-light: #789cba;
$custom-dark: #000000;

JSON

{
  "hex": "#37759d",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 157
  },
  "hsl": {
    "h": 203.529,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.53921,
    "c": 0.08951,
    "h": 239.7
  },
  "luminance": 0.15969
}

Semantic roles & 50–950 ramp

primary

#37759D

secondary

#BB9075

accent

#8550D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #37759D

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

Preview Lab → · Contrast checker → · Palette generator →