#317AB9#317AB9

#317AB9 is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.4% C 0.121 H 248.0°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#317AB9
RGB	rgb(49, 122, 185)
HSL	hsl(208, 58%, 46%)
HSV	hsv(208, 74%, 73%)
CMYK	cmyk(73.5%, 34.1%, 0%, 27.5%)
CIE-LAB	lab(49.58, -1.09, -39.65)
CIE-LCH	lch(49.58, 39.66, 268.43°)
OKLab	oklab(56.4% -0.0454 -0.1126)
OKLCH	oklch(56.4% 0.121 248)
XYZ	xyz(16.9798, 18.0729, 48.4831)
Luminance	0.1807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317AB9 #B97031

analogous

#31B9B4 #317AB9 #3136B9

triadic

#317AB9 #B9317A #7AB931

tetradic

#317AB9 #B431B9 #B97031 #36B931

square

#317AB9 #B431B9 #B97031 #36B931

split-complementary

#317AB9 #B93136 #B9B431

monochromatic

#173A58 #245A89 #317AB9 #5598D2 #86B5DF

Accessibility & contrast

On white

4.55

#317AB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#317AB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317AB9

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317AB9	#FFFFFF	#000000	##000000
##317AB9	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7DBC

Deuteranopia (green-blind)

#4A70B8

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #317ab9;
/* rgb */ color: rgb(49, 122, 185);
/* oklch */ color: oklch(56.4% 0.121 248.0);

Tailwind

colors: {
  custom: {
    50: '#7ba0ce',
    500: '#317ab9',
    950: '#000000',
  },
}

SCSS

$custom: #317ab9;
$custom-light: #7ba0ce;
$custom-dark: #000000;

JSON

{
  "hex": "#317ab9",
  "rgb": {
    "r": 49,
    "g": 122,
    "b": 185
  },
  "hsl": {
    "h": 207.794,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.564,
    "c": 0.12139,
    "h": 248
  },
  "luminance": 0.18075
}

Semantic roles & 50–950 ramp

primary

#317AB9

secondary

#C8A07D

accent

#8E46E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #317AB9

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

Preview Lab → · Contrast checker → · Palette generator →