#37799B#37799B

#37799B is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.8% C 0.085 H 233.8°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#37799B
RGB	rgb(55, 121, 155)
HSL	hsl(200, 48%, 41%)
HSV	hsv(200, 65%, 61%)
CMYK	cmyk(64.5%, 21.9%, 0%, 39.2%)
CIE-LAB	lab(48.07, -10.08, -24.55)
CIE-LCH	lch(48.07, 26.54, 247.68°)
OKLab	oklab(54.8% -0.0503 -0.0688)
OKLCH	oklch(54.8% 0.085 233.8)
XYZ	xyz(14.3270, 16.8521, 33.5017)
Luminance	0.1685 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37799B #9B5937

analogous

#379B8B #37799B #37479B

triadic

#37799B #9B3779 #799B37

tetradic

#37799B #8B379B #9B5937 #479B37

square

#37799B #8B379B #9B5937 #479B37

split-complementary

#37799B #9B3747 #9B8B37

monochromatic

#173241 #27566E #37799B #4F9AC0 #7CB4D0

Accessibility & contrast

On white

4.80

#37799B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#37799B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37799B

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37799B	#FFFFFF	#000000	##FFFFFF
##37799B	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69789D

Deuteranopia (green-blind)

#5B6E9A

Tritanopia (blue-blind)

#008284

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #37799b;
/* rgb */ color: rgb(55, 121, 155);
/* oklch */ color: oklch(54.8% 0.085 233.8);

Tailwind

colors: {
  custom: {
    50: '#789fb8',
    500: '#37799b',
    950: '#000000',
  },
}

SCSS

$custom: #37799b;
$custom-light: #789fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#37799b",
  "rgb": {
    "r": 55,
    "g": 121,
    "b": 155
  },
  "hsl": {
    "h": 200.4,
    "s": 47.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.54798,
    "c": 0.08522,
    "h": 233.8
  },
  "luminance": 0.16854
}

Semantic roles & 50–950 ramp

primary

#37799B

secondary

#BA8C74

accent

#7E51D7

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #37799B

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

Preview Lab → · Contrast checker → · Palette generator →