#317CBB#317CBB

#317CBB is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.0% C 0.122 H 247.5°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#317CBB
RGB	rgb(49, 124, 187)
HSL	hsl(207, 58%, 46%)
HSV	hsv(207, 74%, 73%)
CMYK	cmyk(73.8%, 33.7%, 0%, 26.7%)
CIE-LAB	lab(50.28, -1.56, -39.70)
CIE-LCH	lch(50.28, 39.73, 267.74°)
OKLab	oklab(56.98% -0.0467 -0.1127)
OKLCH	oklch(56.98% 0.122 247.5)
XYZ	xyz(17.4405, 18.6541, 49.6855)
Luminance	0.1866 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317CBB #BB7031

analogous

#31BBB5 #317CBB #3137BB

triadic

#317CBB #BB317C #7CBB31

tetradic

#317CBB #B531BB #BB7031 #37BB31

square

#317CBB #B531BB #BB7031 #37BB31

split-complementary

#317CBB #BB3137 #BBB531

monochromatic

#183C5A #245C8B #317CBB #569AD3 #87B7E0

Accessibility & contrast

On white

4.44

#317CBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#317CBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317CBB

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317CBB	#FFFFFF	#000000	##000000
##317CBB	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7FBE

Deuteranopia (green-blind)

#4C72BA

Tritanopia (blue-blind)

#008B93

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #317cbb;
/* rgb */ color: rgb(49, 124, 187);
/* oklch */ color: oklch(57.0% 0.122 247.5);

Tailwind

colors: {
  custom: {
    50: '#7ba1d0',
    500: '#317cbb',
    950: '#000000',
  },
}

SCSS

$custom: #317cbb;
$custom-light: #7ba1d0;
$custom-dark: #000000;

JSON

{
  "hex": "#317cbb",
  "rgb": {
    "r": 49,
    "g": 124,
    "b": 187
  },
  "hsl": {
    "h": 207.391,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.56981,
    "c": 0.12202,
    "h": 247.5
  },
  "luminance": 0.18656
}

Semantic roles & 50–950 ramp

primary

#317CBB

secondary

#C9A17F

accent

#8D46E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #317CBB

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

Preview Lab → · Contrast checker → · Palette generator →