#37899B#37899B

#37899B is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 58.8% C 0.083 H 214.7°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#37899B
RGB	rgb(55, 137, 155)
HSL	hsl(191, 48%, 41%)
HSV	hsv(191, 65%, 61%)
CMYK	cmyk(64.5%, 11.6%, 0%, 39.2%)
CIE-LAB	lab(53.02, -18.96, -16.95)
CIE-LCH	lch(53.02, 25.43, 221.80°)
OKLab	oklab(58.76% -0.068 -0.0471)
OKLCH	oklch(58.76% 0.083 214.7)
XYZ	xyz(16.4352, 21.0684, 34.2044)
Luminance	0.2107 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37899B #9B4937

analogous

#379B7B #37899B #37579B

triadic

#37899B #9B3789 #899B37

tetradic

#37899B #7B379B #9B4937 #579B37

square

#37899B #7B379B #9B4937 #579B37

split-complementary

#37899B #9B3757 #9B7B37

monochromatic

#173941 #27616E #37899B #4FACC0 #7CC1D0

Accessibility & contrast

On white

4.03

#37899B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#37899B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37899B

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37899B	#FFFFFF	#000000	##000000
##37899B	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C859C

Deuteranopia (green-blind)

#6E7A9B

Tritanopia (blue-blind)

#00908F

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #37899b;
/* rgb */ color: rgb(55, 137, 155);
/* oklch */ color: oklch(58.8% 0.083 214.7);

Tailwind

colors: {
  custom: {
    50: '#79abb8',
    500: '#37899b',
    950: '#000000',
  },
}

SCSS

$custom: #37899b;
$custom-light: #79abb8;
$custom-dark: #000000;

JSON

{
  "hex": "#37899b",
  "rgb": {
    "r": 55,
    "g": 137,
    "b": 155
  },
  "hsl": {
    "h": 190.8,
    "s": 47.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.58756,
    "c": 0.08273,
    "h": 214.7
  },
  "luminance": 0.2107
}

Semantic roles & 50–950 ramp

primary

#37899B

secondary

#BA8174

accent

#6951D7

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #37899B

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

Preview Lab → · Contrast checker → · Palette generator →