#317DB9#317DB9

#317DB9 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.1% C 0.119 H 246.0°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#317DB9
RGB	rgb(49, 125, 185)
HSL	hsl(206, 58%, 46%)
HSV	hsv(206, 74%, 73%)
CMYK	cmyk(73.5%, 32.4%, 0%, 27.5%)
CIE-LAB	lab(50.48, -2.89, -38.24)
CIE-LCH	lch(50.48, 38.35, 265.68°)
OKLab	oklab(57.1% -0.0483 -0.1084)
OKLCH	oklch(57.1% 0.119 246)
XYZ	xyz(17.3538, 18.8210, 48.6078)
Luminance	0.1882 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317DB9 #B96D31

analogous

#31B9B1 #317DB9 #3139B9

triadic

#317DB9 #B9317D #7DB931

tetradic

#317DB9 #B131B9 #B96D31 #39B931

square

#317DB9 #B131B9 #B96D31 #39B931

split-complementary

#317DB9 #B93139 #B9B131

monochromatic

#173C58 #245C89 #317DB9 #559BD2 #86B7DF

Accessibility & contrast

On white

4.41

#317DB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#317DB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317DB9

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317DB9	#FFFFFF	#000000	##000000
##317DB9	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#627FBC

Deuteranopia (green-blind)

#4F72B8

Tritanopia (blue-blind)

#008B92

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #317db9;
/* rgb */ color: rgb(49, 125, 185);
/* oklch */ color: oklch(57.1% 0.119 246.0);

Tailwind

colors: {
  custom: {
    50: '#7ba2ce',
    500: '#317db9',
    950: '#000000',
  },
}

SCSS

$custom: #317db9;
$custom-light: #7ba2ce;
$custom-dark: #000000;

JSON

{
  "hex": "#317db9",
  "rgb": {
    "r": 49,
    "g": 125,
    "b": 185
  },
  "hsl": {
    "h": 206.471,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.57103,
    "c": 0.1187,
    "h": 246
  },
  "luminance": 0.18823
}

Semantic roles & 50–950 ramp

primary

#317DB9

secondary

#C89E7D

accent

#8B46E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #317DB9

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

Preview Lab → · Contrast checker → · Palette generator →