#317AB8#317AB8

#317AB8 is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.3% C 0.120 H 247.7°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#317AB8
RGB	rgb(49, 122, 184)
HSL	hsl(208, 58%, 46%)
HSV	hsv(208, 73%, 72%)
CMYK	cmyk(73.4%, 33.7%, 0%, 27.8%)
CIE-LAB	lab(49.53, -1.45, -39.15)
CIE-LCH	lch(49.53, 39.18, 267.87°)
OKLab	oklab(56.34% -0.0457 -0.1111)
OKLCH	oklch(56.34% 0.12 247.7)
XYZ	xyz(16.8746, 18.0308, 47.9291)
Luminance	0.1803 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317AB8 #B86F31

analogous

#31B8B3 #317AB8 #3136B8

triadic

#317AB8 #B8317A #7AB831

tetradic

#317AB8 #B331B8 #B86F31 #36B831

square

#317AB8 #B331B8 #B86F31 #36B831

split-complementary

#317AB8 #B83136 #B8B331

monochromatic

#173A57 #245A88 #317AB8 #5598D2 #85B5DE

Accessibility & contrast

On white

4.56

#317AB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#317AB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317AB8

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317AB8	#FFFFFF	#000000	##000000
##317AB8	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7DBB

Deuteranopia (green-blind)

#4B70B7

Tritanopia (blue-blind)

#008990

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #317ab8;
/* rgb */ color: rgb(49, 122, 184);
/* oklch */ color: oklch(56.3% 0.120 247.7);

Tailwind

colors: {
  custom: {
    50: '#7ba0cd',
    500: '#317ab8',
    950: '#000000',
  },
}

SCSS

$custom: #317ab8;
$custom-light: #7ba0cd;
$custom-dark: #000000;

JSON

{
  "hex": "#317ab8",
  "rgb": {
    "r": 49,
    "g": 122,
    "b": 184
  },
  "hsl": {
    "h": 207.556,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.56344,
    "c": 0.12016,
    "h": 247.7
  },
  "luminance": 0.18033
}

Semantic roles & 50–950 ramp

primary

#317AB8

secondary

#C89F7D

accent

#8E47E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #317AB8

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

Preview Lab → · Contrast checker → · Palette generator →