#317FA9#317FA9

#317FA9 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.7% C 0.099 H 236.0°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#317FA9
RGB	rgb(49, 127, 169)
HSL	hsl(201, 55%, 43%)
HSV	hsv(201, 71%, 66%)
CMYK	cmyk(71%, 24.9%, 0%, 33.7%)
CIE-LAB	lab(50.33, -9.73, -29.23)
CIE-LCH	lch(50.33, 30.81, 251.58°)
OKLab	oklab(56.74% -0.0555 -0.0822)
OKLCH	oklch(56.74% 0.099 236)
XYZ	xyz(16.0146, 18.6945, 40.2928)
Luminance	0.1870 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317FA9 #A95B31

analogous

#31A997 #317FA9 #3143A9

triadic

#317FA9 #A9317F #7FA931

tetradic

#317FA9 #9731A9 #A95B31 #43A931

square

#317FA9 #9731A9 #A95B31 #43A931

split-complementary

#317FA9 #A93143 #A99731

monochromatic

#15384A #235B7A #317FA9 #4C9FCB #7CB8D9

Accessibility & contrast

On white

4.43

#317FA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#317FA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317FA9

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317FA9	#FFFFFF	#000000	##000000
##317FA9	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7EAB

Deuteranopia (green-blind)

#5B73A8

Tritanopia (blue-blind)

#008A8D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #317fa9;
/* rgb */ color: rgb(49, 127, 169);
/* oklch */ color: oklch(56.7% 0.099 236.0);

Tailwind

colors: {
  custom: {
    50: '#78a4c2',
    500: '#317fa9',
    950: '#000000',
  },
}

SCSS

$custom: #317fa9;
$custom-light: #78a4c2;
$custom-dark: #000000;

JSON

{
  "hex": "#317fa9",
  "rgb": {
    "r": 49,
    "g": 127,
    "b": 169
  },
  "hsl": {
    "h": 201,
    "s": 55.046,
    "l": 42.745
  },
  "oklch": {
    "l": 0.56737,
    "c": 0.0992,
    "h": 236
  },
  "luminance": 0.18696
}

Semantic roles & 50–950 ramp

primary

#317FA9

secondary

#C18F74

accent

#7E49DE

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #317FA9

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

Preview Lab → · Contrast checker → · Palette generator →