#37899C#37899C

#37899C is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 58.8% C 0.083 H 215.7°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#37899C
RGB	rgb(55, 137, 156)
HSL	hsl(191, 48%, 41%)
HSV	hsv(191, 65%, 61%)
CMYK	cmyk(64.7%, 12.2%, 0%, 38.8%)
CIE-LAB	lab(53.06, -18.64, -17.47)
CIE-LCH	lch(53.06, 25.55, 223.14°)
OKLab	oklab(58.8% -0.0676 -0.0486)
OKLCH	oklch(58.8% 0.083 215.7)
XYZ	xyz(16.5195, 21.1021, 34.6486)
Luminance	0.2110 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37899C #9C4A37

analogous

#379C7D #37899C #37579C

triadic

#37899C #9C3789 #899C37

tetradic

#37899C #7D379C #9C4A37 #579C37

square

#37899C #7D379C #9C4A37 #579C37

split-complementary

#37899C #9C3757 #9C7D37

monochromatic

#173A42 #27616F #37899C #4FACC1 #7CC1D1

Accessibility & contrast

On white

4.02

#37899C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#37899C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37899C

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37899C	#FFFFFF	#000000	##000000
##37899C	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C859D

Deuteranopia (green-blind)

#6D7A9C

Tritanopia (blue-blind)

#00908F

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #37899c;
/* rgb */ color: rgb(55, 137, 156);
/* oklch */ color: oklch(58.8% 0.083 215.7);

Tailwind

colors: {
  custom: {
    50: '#7aabb9',
    500: '#37899c',
    950: '#000000',
  },
}

SCSS

$custom: #37899c;
$custom-light: #7aabb9;
$custom-dark: #000000;

JSON

{
  "hex": "#37899c",
  "rgb": {
    "r": 55,
    "g": 137,
    "b": 156
  },
  "hsl": {
    "h": 191.287,
    "s": 47.867,
    "l": 41.373
  },
  "oklch": {
    "l": 0.58798,
    "c": 0.08323,
    "h": 215.7
  },
  "luminance": 0.21104
}

Semantic roles & 50–950 ramp

primary

#37899C

secondary

#BA8275

accent

#6A50D7

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #37899C

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

Preview Lab → · Contrast checker → · Palette generator →