#337ABE#337ABE

#337ABE is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.8% C 0.127 H 250.3°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#337ABE
RGB	rgb(51, 122, 190)
HSL	hsl(209, 58%, 47%)
HSV	hsv(209, 73%, 75%)
CMYK	cmyk(73.2%, 35.8%, 0%, 25.5%)
CIE-LAB	lab(49.90, 1.00, -42.01)
CIE-LCH	lch(49.90, 42.03, 271.37°)
OKLab	oklab(56.75% -0.0428 -0.1195)
OKLCH	oklch(56.75% 0.127 250.3)
XYZ	xyz(17.6155, 18.3386, 51.3165)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337ABE #BE7733

analogous

#33BEBD #337ABE #3334BE

triadic

#337ABE #BE337A #7ABE33

tetradic

#337ABE #BD33BE #BE7733 #34BE33

square

#337ABE #BD33BE #BE7733 #34BE33

split-complementary

#337ABE #BE3334 #BEBD33

monochromatic

#193C5E #265B8E #337ABE #5B98D3 #8BB7E0

Accessibility & contrast

On white

4.50

#337ABE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#337ABE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337ABE

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337ABE	#FFFFFF	#000000	##000000
##337ABE	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7EC1

Deuteranopia (green-blind)

#4771BD

Tritanopia (blue-blind)

#008A93

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #337abe;
/* rgb */ color: rgb(51, 122, 190);
/* oklch */ color: oklch(56.8% 0.127 250.3);

Tailwind

colors: {
  custom: {
    50: '#7ca0d2',
    500: '#337abe',
    950: '#000000',
  },
}

SCSS

$custom: #337abe;
$custom-light: #7ca0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#337abe",
  "rgb": {
    "r": 51,
    "g": 122,
    "b": 190
  },
  "hsl": {
    "h": 209.353,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.56753,
    "c": 0.12692,
    "h": 250.3
  },
  "luminance": 0.18341
}

Semantic roles & 50–950 ramp

primary

#337ABE

secondary

#CAA683

accent

#9247E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #337ABE

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

Preview Lab → · Contrast checker → · Palette generator →