#317DC4#317DC4

#317DC4 is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.7% C 0.132 H 250.0°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#317DC4
RGB	rgb(49, 125, 196)
HSL	hsl(209, 60%, 48%)
HSV	hsv(209, 75%, 77%)
CMYK	cmyk(75%, 36.2%, 0%, 23.1%)
CIE-LAB	lab(51.04, 1.11, -43.66)
CIE-LCH	lch(51.04, 43.67, 271.46°)
OKLab	oklab(57.73% -0.0452 -0.1243)
OKLCH	oklch(57.73% 0.132 250)
XYZ	xyz(18.5603, 19.3036, 54.9616)
Luminance	0.1931 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317DC4 #C47831

analogous

#31C4C2 #317DC4 #3133C4

triadic

#317DC4 #C4317D #7DC431

tetradic

#317DC4 #C231C4 #C47831 #33C431

square

#317DC4 #C231C4 #C47831 #33C431

split-complementary

#317DC4 #C43133 #C4C231

monochromatic

#193F62 #255E93 #317DC4 #5C9BD6 #8DB9E2

Accessibility & contrast

On white

4.32

#317DC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#317DC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317DC4

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317DC4	#FFFFFF	#000000	##000000
##317DC4	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C81C7

Deuteranopia (green-blind)

#4673C3

Tritanopia (blue-blind)

#008E97

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #317dc4;
/* rgb */ color: rgb(49, 125, 196);
/* oklch */ color: oklch(57.7% 0.132 250.0);

Tailwind

colors: {
  custom: {
    50: '#7da2d6',
    500: '#317dc4',
    950: '#000000',
  },
}

SCSS

$custom: #317dc4;
$custom-light: #7da2d6;
$custom-dark: #000000;

JSON

{
  "hex": "#317dc4",
  "rgb": {
    "r": 49,
    "g": 125,
    "b": 196
  },
  "hsl": {
    "h": 208.98,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.5773,
    "c": 0.13223,
    "h": 250
  },
  "luminance": 0.19306
}

Semantic roles & 50–950 ramp

primary

#317DC4

secondary

#CDA784

accent

#9145E3

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #317DC4

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

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