#37799D#37799D

#37799D is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.9% C 0.087 H 235.3°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#37799D
RGB	rgb(55, 121, 157)
HSL	hsl(201, 48%, 42%)
HSV	hsv(201, 65%, 62%)
CMYK	cmyk(65%, 22.9%, 0%, 38.4%)
CIE-LAB	lab(48.16, -9.40, -25.59)
CIE-LCH	lch(48.16, 27.26, 249.82°)
OKLab	oklab(54.9% -0.0496 -0.0717)
OKLCH	oklch(54.9% 0.087 235.3)
XYZ	xyz(14.4964, 16.9198, 34.3936)
Luminance	0.1692 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37799D #9D5B37

analogous

#379D8E #37799D #37469D

triadic

#37799D #9D3779 #799D37

tetradic

#37799D #8E379D #9D5B37 #469D37

square

#37799D #8E379D #9D5B37 #469D37

split-complementary

#37799D #9D3746 #9D8E37

monochromatic

#173342 #275670 #37799D #5099C2 #7DB4D1

Accessibility & contrast

On white

4.79

#37799D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#37799D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37799D

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37799D	#FFFFFF	#000000	##FFFFFF
##37799D	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68789F

Deuteranopia (green-blind)

#5A6E9C

Tritanopia (blue-blind)

#008285

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #37799d;
/* rgb */ color: rgb(55, 121, 157);
/* oklch */ color: oklch(54.9% 0.087 235.3);

Tailwind

colors: {
  custom: {
    50: '#799fba',
    500: '#37799d',
    950: '#000000',
  },
}

SCSS

$custom: #37799d;
$custom-light: #799fba;
$custom-dark: #000000;

JSON

{
  "hex": "#37799d",
  "rgb": {
    "r": 55,
    "g": 121,
    "b": 157
  },
  "hsl": {
    "h": 201.176,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.54895,
    "c": 0.08723,
    "h": 235.3
  },
  "luminance": 0.16921
}

Semantic roles & 50–950 ramp

primary

#37799D

secondary

#BB8E75

accent

#8050D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #37799D

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

Preview Lab → · Contrast checker → · Palette generator →