#337ABD#337ABD

#337ABD is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.7% C 0.126 H 249.9°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#337ABD
RGB	rgb(51, 122, 189)
HSL	hsl(209, 58%, 47%)
HSV	hsv(209, 73%, 74%)
CMYK	cmyk(73%, 35.4%, 0%, 25.9%)
CIE-LAB	lab(49.85, 0.64, -41.52)
CIE-LCH	lch(49.85, 41.53, 270.88°)
OKLab	oklab(56.69% -0.0431 -0.118)
OKLCH	oklch(56.69% 0.126 249.9)
XYZ	xyz(17.5066, 18.2950, 50.7429)
Luminance	0.1830 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337ABD #BD7633

analogous

#33BDBB #337ABD #3335BD

triadic

#337ABD #BD337A #7ABD33

tetradic

#337ABD #BB33BD #BD7633 #35BD33

square

#337ABD #BB33BD #BD7633 #35BD33

split-complementary

#337ABD #BD3335 #BDBB33

monochromatic

#193C5D #265B8D #337ABD #5B98D3 #8BB6E0

Accessibility & contrast

On white

4.51

#337ABD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#337ABD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337ABD

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337ABD	#FFFFFF	#000000	##000000
##337ABD	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7EC0

Deuteranopia (green-blind)

#4771BC

Tritanopia (blue-blind)

#008A92

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #337abd;
/* rgb */ color: rgb(51, 122, 189);
/* oklch */ color: oklch(56.7% 0.126 249.9);

Tailwind

colors: {
  custom: {
    50: '#7ca0d1',
    500: '#337abd',
    950: '#000000',
  },
}

SCSS

$custom: #337abd;
$custom-light: #7ca0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#337abd",
  "rgb": {
    "r": 51,
    "g": 122,
    "b": 189
  },
  "hsl": {
    "h": 209.13,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.56695,
    "c": 0.12566,
    "h": 249.9
  },
  "luminance": 0.18297
}

Semantic roles & 50–950 ramp

primary

#337ABD

secondary

#CAA582

accent

#9247E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #337ABD

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

Preview Lab → · Contrast checker → · Palette generator →