#337381#337381

#337381 is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 52.0% C 0.068 H 214.2°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#337381
RGB	rgb(51, 115, 129)
HSL	hsl(191, 43%, 35%)
HSV	hsv(191, 60%, 51%)
CMYK	cmyk(60.5%, 10.9%, 0%, 49.4%)
CIE-LAB	lab(45.01, -15.99, -13.87)
CIE-LCH	lch(45.01, 21.16, 220.94°)
OKLab	oklab(51.97% -0.0566 -0.0384)
OKLCH	oklch(51.97% 0.068 214.2)
XYZ	xyz(11.4568, 14.5491, 22.9691)
Luminance	0.1455 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337381 #814133

analogous

#338168 #337381 #334C81

triadic

#337381 #813373 #738133

tetradic

#337381 #683381 #814133 #4C8133

square

#337381 #683381 #814133 #4C8133

split-complementary

#337381 #81334C #816833

monochromatic

#102529 #224C55 #337381 #449AAD #6AB4C4

Accessibility & contrast

On white

5.37

#337381 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#337381 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337381

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337381	#FFFFFF	#000000	##FFFFFF
##337381	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696F82

Deuteranopia (green-blind)

#5D6781

Tritanopia (blue-blind)

#007877

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #337381;
/* rgb */ color: rgb(51, 115, 129);
/* oklch */ color: oklch(52.0% 0.068 214.2);

Tailwind

colors: {
  custom: {
    50: '#739ba5',
    500: '#337381',
    950: '#000000',
  },
}

SCSS

$custom: #337381;
$custom-light: #739ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#337381",
  "rgb": {
    "r": 51,
    "g": 115,
    "b": 129
  },
  "hsl": {
    "h": 190.769,
    "s": 43.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.51968,
    "c": 0.06844,
    "h": 214.2
  },
  "luminance": 0.1455
}

Semantic roles & 50–950 ramp

primary

#337381

secondary

#AC7164

accent

#6B55D3

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E0F

muted

#7B7E7F

Preview Lab

Preview with #337381

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

Preview Lab → · Contrast checker → · Palette generator →