#337ABA#337ABA

#337ABA is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.5% C 0.122 H 248.9°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#337ABA
RGB	rgb(51, 122, 186)
HSL	hsl(208, 57%, 46%)
HSV	hsv(208, 73%, 73%)
CMYK	cmyk(72.6%, 34.4%, 0%, 27.1%)
CIE-LAB	lab(49.70, -0.45, -40.04)
CIE-LCH	lch(49.70, 40.04, 269.36°)
OKLab	oklab(56.52% -0.0439 -0.1137)
OKLCH	oklch(56.52% 0.122 248.9)
XYZ	xyz(17.1844, 18.1661, 49.0456)
Luminance	0.1817 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337ABA #BA7333

analogous

#33BAB7 #337ABA #3337BA

triadic

#337ABA #BA337A #7ABA33

tetradic

#337ABA #B733BA #BA7333 #37BA33

square

#337ABA #B733BA #BA7333 #37BA33

split-complementary

#337ABA #BA3337 #BAB733

monochromatic

#193B5A #265A8A #337ABA #5998D1 #89B6DF

Accessibility & contrast

On white

4.53

#337ABA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#337ABA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337ABA

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337ABA	#FFFFFF	#000000	##000000
##337ABA	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7DBD

Deuteranopia (green-blind)

#4A70B9

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #337aba;
/* rgb */ color: rgb(51, 122, 186);
/* oklch */ color: oklch(56.5% 0.122 248.9);

Tailwind

colors: {
  custom: {
    50: '#7ca0cf',
    500: '#337aba',
    950: '#000000',
  },
}

SCSS

$custom: #337aba;
$custom-light: #7ca0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#337aba",
  "rgb": {
    "r": 51,
    "g": 122,
    "b": 186
  },
  "hsl": {
    "h": 208.444,
    "s": 56.962,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56523,
    "c": 0.1219,
    "h": 248.9
  },
  "luminance": 0.18168
}

Semantic roles & 50–950 ramp

primary

#337ABA

secondary

#C9A380

accent

#9048E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #337ABA

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

Preview Lab → · Contrast checker → · Palette generator →