#337CC6#337CC6

#337CC6 is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.7% C 0.135 H 251.6°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#337CC6
RGB	rgb(51, 124, 198)
HSL	hsl(210, 59%, 49%)
HSV	hsv(210, 74%, 78%)
CMYK	cmyk(74.2%, 37.4%, 0%, 22.4%)
CIE-LAB	lab(50.91, 2.71, -45.00)
CIE-LCH	lch(50.91, 45.08, 273.44°)
OKLab	oklab(57.68% -0.0426 -0.1282)
OKLCH	oklch(57.68% 0.135 251.6)
XYZ	xyz(18.7621, 19.1942, 56.1312)
Luminance	0.1920 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337CC6 #C67D33

analogous

#33C6C6 #337CC6 #3433C6

triadic

#337CC6 #C6337C #7CC633

tetradic

#337CC6 #C633C6 #C67D33 #33C634

square

#337CC6 #C633C6 #C67D33 #33C634

split-complementary

#337CC6 #C63433 #C6C633

monochromatic

#1A3F65 #265E95 #337CC6 #609BD6 #91B9E3

Accessibility & contrast

On white

4.34

#337CC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#337CC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337CC6

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337CC6	#FFFFFF	#000000	##000000
##337CC6	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A81C9

Deuteranopia (green-blind)

#4373C5

Tritanopia (blue-blind)

#008D97

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #337cc6;
/* rgb */ color: rgb(51, 124, 198);
/* oklch */ color: oklch(57.7% 0.135 251.6);

Tailwind

colors: {
  custom: {
    50: '#7ea1d7',
    500: '#337cc6',
    950: '#000000',
  },
}

SCSS

$custom: #337cc6;
$custom-light: #7ea1d7;
$custom-dark: #000000;

JSON

{
  "hex": "#337cc6",
  "rgb": {
    "r": 51,
    "g": 124,
    "b": 198
  },
  "hsl": {
    "h": 210.204,
    "s": 59.036,
    "l": 48.824
  },
  "oklch": {
    "l": 0.57682,
    "c": 0.13508,
    "h": 251.6
  },
  "luminance": 0.19196
}

Semantic roles & 50–950 ramp

primary

#337CC6

secondary

#CDAB87

accent

#9446E2

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #337CC6

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

Preview Lab → · Contrast checker → · Palette generator →