#37839B#37839B

#37839B is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.3% C 0.083 H 221.9°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#37839B
RGB	rgb(55, 131, 155)
HSL	hsl(194, 48%, 41%)
HSV	hsv(194, 65%, 61%)
CMYK	cmyk(64.5%, 15.5%, 0%, 39.2%)
CIE-LAB	lab(51.16, -15.71, -19.79)
CIE-LCH	lch(51.16, 25.27, 231.57°)
OKLab	oklab(57.26% -0.0614 -0.0551)
OKLCH	oklch(57.26% 0.083 221.9)
XYZ	xyz(15.6059, 19.4098, 33.9280)
Luminance	0.1941 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37839B #9B4F37

analogous

#379B81 #37839B #37519B

triadic

#37839B #9B3783 #839B37

tetradic

#37839B #81379B #9B4F37 #519B37

square

#37839B #81379B #9B4F37 #519B37

split-complementary

#37839B #9B3751 #9B8137

monochromatic

#173741 #275D6E #37839B #4FA5C0 #7CBCD0

Accessibility & contrast

On white

4.30

#37839B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#37839B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37839B

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37839B	#FFFFFF	#000000	##000000
##37839B	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#75809C

Deuteranopia (green-blind)

#67759B

Tritanopia (blue-blind)

#008B8B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #37839b;
/* rgb */ color: rgb(55, 131, 155);
/* oklch */ color: oklch(57.3% 0.083 221.9);

Tailwind

colors: {
  custom: {
    50: '#79a7b8',
    500: '#37839b',
    950: '#000000',
  },
}

SCSS

$custom: #37839b;
$custom-light: #79a7b8;
$custom-dark: #000000;

JSON

{
  "hex": "#37839b",
  "rgb": {
    "r": 55,
    "g": 131,
    "b": 155
  },
  "hsl": {
    "h": 194.4,
    "s": 47.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.57264,
    "c": 0.08253,
    "h": 221.9
  },
  "luminance": 0.19411
}

Semantic roles & 50–950 ramp

primary

#37839B

secondary

#BA8574

accent

#7151D7

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #37839B

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

Preview Lab → · Contrast checker → · Palette generator →