#337DB6#337DB6

#337DB6 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 57.0% C 0.114 H 245.2°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#337DB6
RGB	rgb(51, 125, 182)
HSL	hsl(206, 56%, 46%)
HSV	hsv(206, 72%, 71%)
CMYK	cmyk(72%, 31.3%, 0%, 28.6%)
CIE-LAB	lab(50.39, -3.68, -36.65)
CIE-LCH	lch(50.39, 36.83, 264.26°)
OKLab	oklab(57% -0.048 -0.1038)
OKLCH	oklch(57% 0.114 245.2)
XYZ	xyz(17.1391, 18.7465, 46.9621)
Luminance	0.1875 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337DB6 #B66C33

analogous

#33B6AD #337DB6 #333BB6

triadic

#337DB6 #B6337D #7DB633

tetradic

#337DB6 #AD33B6 #B66C33 #3BB633

square

#337DB6 #AD33B6 #B66C33 #3BB633

split-complementary

#337DB6 #B6333B #B6AD33

monochromatic

#183B56 #265C86 #337DB6 #569BD0 #86B7DD

Accessibility & contrast

On white

4.42

#337DB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#337DB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337DB6

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337DB6	#FFFFFF	#000000	##000000
##337DB6	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637FB8

Deuteranopia (green-blind)

#5172B5

Tritanopia (blue-blind)

#008B91

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #337db6;
/* rgb */ color: rgb(51, 125, 182);
/* oklch */ color: oklch(57.0% 0.114 245.2);

Tailwind

colors: {
  custom: {
    50: '#7ba2cc',
    500: '#337db6',
    950: '#000000',
  },
}

SCSS

$custom: #337db6;
$custom-light: #7ba2cc;
$custom-dark: #000000;

JSON

{
  "hex": "#337db6",
  "rgb": {
    "r": 51,
    "g": 125,
    "b": 182
  },
  "hsl": {
    "h": 206.107,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.57002,
    "c": 0.11433,
    "h": 245.2
  },
  "luminance": 0.18748
}

Semantic roles & 50–950 ramp

primary

#337DB6

secondary

#C79E7E

accent

#8A48E0

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #337DB6

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

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