#337AC6#337AC6

#337AC6 is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.2% C 0.137 H 252.7°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#337AC6
RGB	rgb(51, 122, 198)
HSL	hsl(211, 59%, 49%)
HSV	hsv(211, 74%, 78%)
CMYK	cmyk(74.2%, 38.4%, 0%, 22.4%)
CIE-LAB	lab(50.33, 3.93, -45.92)
CIE-LCH	lch(50.33, 46.09, 274.89°)
OKLab	oklab(57.23% -0.0408 -0.1309)
OKLCH	oklch(57.23% 0.137 252.7)
XYZ	xyz(18.5140, 18.6980, 56.0485)
Luminance	0.1870 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337AC6 #C67F33

analogous

#33C4C6 #337AC6 #3533C6

triadic

#337AC6 #C6337A #7AC633

tetradic

#337AC6 #C633C4 #C67F33 #33C635

square

#337AC6 #C633C4 #C67F33 #33C635

split-complementary

#337AC6 #C63533 #C4C633

monochromatic

#1A3E65 #265C95 #337AC6 #6099D6 #91B8E3

Accessibility & contrast

On white

4.43

#337AC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#337AC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337AC6

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337AC6	#FFFFFF	#000000	##000000
##337AC6	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#577FC9

Deuteranopia (green-blind)

#4072C4

Tritanopia (blue-blind)

#008C96

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #337ac6;
/* rgb */ color: rgb(51, 122, 198);
/* oklch */ color: oklch(57.2% 0.137 252.7);

Tailwind

colors: {
  custom: {
    50: '#7ea0d8',
    500: '#337ac6',
    950: '#000000',
  },
}

SCSS

$custom: #337ac6;
$custom-light: #7ea0d8;
$custom-dark: #000000;

JSON

{
  "hex": "#337ac6",
  "rgb": {
    "r": 51,
    "g": 122,
    "b": 198
  },
  "hsl": {
    "h": 211.02,
    "s": 59.036,
    "l": 48.824
  },
  "oklch": {
    "l": 0.57227,
    "c": 0.13712,
    "h": 252.7
  },
  "luminance": 0.187
}

Semantic roles & 50–950 ramp

primary

#337AC6

secondary

#CDAC87

accent

#9746E2

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #337AC6

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

Preview Lab → · Contrast checker → · Palette generator →