#337DC1#337DC1

#337DC1 is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.6% C 0.128 H 249.5°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#337DC1
RGB	rgb(51, 125, 193)
HSL	hsl(209, 58%, 48%)
HSV	hsv(209, 74%, 76%)
CMYK	cmyk(73.6%, 35.2%, 0%, 24.3%)
CIE-LAB	lab(50.94, 0.28, -42.09)
CIE-LCH	lch(50.94, 42.09, 270.38°)
OKLab	oklab(57.62% -0.0448 -0.1197)
OKLCH	oklch(57.62% 0.128 249.5)
XYZ	xyz(18.3209, 19.2192, 53.1859)
Luminance	0.1922 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337DC1 #C17733

analogous

#33C1BE #337DC1 #3336C1

triadic

#337DC1 #C1337D #7DC133

tetradic

#337DC1 #BE33C1 #C17733 #36C133

square

#337DC1 #BE33C1 #C17733 #36C133

split-complementary

#337DC1 #C13336 #C1BE33

monochromatic

#193E60 #265E91 #337DC1 #5D9BD4 #8DB9E1

Accessibility & contrast

On white

4.34

#337DC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#337DC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337DC1

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337DC1	#FFFFFF	#000000	##000000
##337DC1	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)

#5E81C4

Deuteranopia (green-blind)

#4973C0

Tritanopia (blue-blind)

#008D96

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #337dc1;
/* rgb */ color: rgb(51, 125, 193);
/* oklch */ color: oklch(57.6% 0.128 249.5);

Tailwind

colors: {
  custom: {
    50: '#7da2d4',
    500: '#337dc1',
    950: '#000000',
  },
}

SCSS

$custom: #337dc1;
$custom-light: #7da2d4;
$custom-dark: #000000;

JSON

{
  "hex": "#337dc1",
  "rgb": {
    "r": 51,
    "g": 125,
    "b": 193
  },
  "hsl": {
    "h": 208.732,
    "s": 58.197,
    "l": 47.843
  },
  "oklch": {
    "l": 0.57619,
    "c": 0.12779,
    "h": 249.5
  },
  "luminance": 0.19221
}

Semantic roles & 50–950 ramp

primary

#337DC1

secondary

#CBA684

accent

#9146E1

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #337DC1

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

Preview Lab → · Contrast checker → · Palette generator →