#37879B#37879B

#37879B is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.3% C 0.083 H 217.1°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#37879B
RGB	rgb(55, 135, 155)
HSL	hsl(192, 48%, 41%)
HSV	hsv(192, 65%, 61%)
CMYK	cmyk(64.5%, 12.9%, 0%, 39.2%)
CIE-LAB	lab(52.40, -17.89, -17.90)
CIE-LCH	lch(52.40, 25.30, 225.02°)
OKLab	oklab(58.26% -0.0658 -0.0498)
OKLCH	oklch(58.26% 0.083 217.1)
XYZ	xyz(16.1535, 20.5050, 34.1105)
Luminance	0.2051 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37879B #9B4B37

analogous

#379B7D #37879B #37559B

triadic

#37879B #9B3787 #879B37

tetradic

#37879B #7D379B #9B4B37 #559B37

square

#37879B #7D379B #9B4B37 #559B37

split-complementary

#37879B #9B3755 #9B7D37

monochromatic

#173841 #27606E #37879B #4FAAC0 #7CC0D0

Accessibility & contrast

On white

4.12

#37879B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#37879B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37879B

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37879B	#FFFFFF	#000000	##000000
##37879B	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A839C

Deuteranopia (green-blind)

#6B789B

Tritanopia (blue-blind)

#008E8D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #37879b;
/* rgb */ color: rgb(55, 135, 155);
/* oklch */ color: oklch(58.3% 0.083 217.1);

Tailwind

colors: {
  custom: {
    50: '#79aab8',
    500: '#37879b',
    950: '#000000',
  },
}

SCSS

$custom: #37879b;
$custom-light: #79aab8;
$custom-dark: #000000;

JSON

{
  "hex": "#37879b",
  "rgb": {
    "r": 55,
    "g": 135,
    "b": 155
  },
  "hsl": {
    "h": 192,
    "s": 47.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.58258,
    "c": 0.08251,
    "h": 217.1
  },
  "luminance": 0.20507
}

Semantic roles & 50–950 ramp

primary

#37879B

secondary

#BA8274

accent

#6C51D7

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #37879B

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

Preview Lab → · Contrast checker → · Palette generator →