#337CC2#337CC2

#337CC2 is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.4% C 0.130 H 250.4°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#337CC2
RGB	rgb(51, 124, 194)
HSL	hsl(209, 58%, 48%)
HSV	hsv(209, 74%, 76%)
CMYK	cmyk(73.7%, 36.1%, 0%, 23.9%)
CIE-LAB	lab(50.70, 1.25, -43.05)
CIE-LCH	lch(50.70, 43.06, 271.66°)
OKLab	oklab(57.45% -0.0436 -0.1225)
OKLCH	oklch(57.45% 0.13 250.4)
XYZ	xyz(18.3068, 19.0121, 53.7334)
Luminance	0.1901 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337CC2 #C27933

analogous

#33C2C0 #337CC2 #3334C2

triadic

#337CC2 #C2337C #7CC233

tetradic

#337CC2 #C033C2 #C27933 #34C233

square

#337CC2 #C033C2 #C27933 #34C233

split-complementary

#337CC2 #C23334 #C2C033

monochromatic

#1A3E61 #265D92 #337CC2 #5E9AD5 #8EB9E1

Accessibility & contrast

On white

4.37

#337CC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#337CC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337CC2

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337CC2	#FFFFFF	#000000	##000000
##337CC2	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C80C5

Deuteranopia (green-blind)

#4773C1

Tritanopia (blue-blind)

#008D96

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #337cc2;
/* rgb */ color: rgb(51, 124, 194);
/* oklch */ color: oklch(57.4% 0.130 250.4);

Tailwind

colors: {
  custom: {
    50: '#7da1d5',
    500: '#337cc2',
    950: '#000000',
  },
}

SCSS

$custom: #337cc2;
$custom-light: #7da1d5;
$custom-dark: #000000;

JSON

{
  "hex": "#337cc2",
  "rgb": {
    "r": 51,
    "g": 124,
    "b": 194
  },
  "hsl": {
    "h": 209.371,
    "s": 58.367,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57447,
    "c": 0.13001,
    "h": 250.4
  },
  "luminance": 0.19014
}

Semantic roles & 50–950 ramp

primary

#337CC2

secondary

#CCA885

accent

#9246E2

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #337CC2

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

Preview Lab → · Contrast checker → · Palette generator →