#337281#337281

#337281 is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 51.7% C 0.068 H 215.7°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#337281
RGB	rgb(51, 114, 129)
HSL	hsl(192, 43%, 35%)
HSV	hsv(192, 60%, 51%)
CMYK	cmyk(60.5%, 11.6%, 0%, 49.4%)
CIE-LAB	lab(44.69, -15.43, -14.35)
CIE-LCH	lch(44.69, 21.07, 222.93°)
OKLab	oklab(51.71% -0.0554 -0.0398)
OKLCH	oklch(51.71% 0.068 215.7)
XYZ	xyz(11.3434, 14.3223, 22.9313)
Luminance	0.1432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337281 #814233

analogous

#338169 #337281 #334B81

triadic

#337281 #813372 #728133

tetradic

#337281 #693381 #814233 #4B8133

square

#337281 #693381 #814233 #4B8133

split-complementary

#337281 #81334B #816933

monochromatic

#102429 #224B55 #337281 #4499AD #6AB3C4

Accessibility & contrast

On white

5.43

#337281 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#337281 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337281

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337281	#FFFFFF	#000000	##FFFFFF
##337281	1.00	5.43	3.86	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#686F82

Deuteranopia (green-blind)

#5C6681

Tritanopia (blue-blind)

#007877

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #337281;
/* rgb */ color: rgb(51, 114, 129);
/* oklch */ color: oklch(51.7% 0.068 215.7);

Tailwind

colors: {
  custom: {
    50: '#739aa5',
    500: '#337281',
    950: '#000000',
  },
}

SCSS

$custom: #337281;
$custom-light: #739aa5;
$custom-dark: #000000;

JSON

{
  "hex": "#337281",
  "rgb": {
    "r": 51,
    "g": 114,
    "b": 129
  },
  "hsl": {
    "h": 191.538,
    "s": 43.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.51712,
    "c": 0.06825,
    "h": 215.7
  },
  "luminance": 0.14323
}

Semantic roles & 50–950 ramp

primary

#337281

secondary

#AC7264

accent

#6D55D3

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E0F

muted

#7B7E7F

Preview Lab

Preview with #337281

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

Preview Lab → · Contrast checker → · Palette generator →