#317DA8#317DA8

#317DA8 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.2% C 0.099 H 237.2°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#317DA8
RGB	rgb(49, 125, 168)
HSL	hsl(202, 55%, 43%)
HSV	hsv(202, 71%, 66%)
CMYK	cmyk(70.8%, 25.6%, 0%, 34.1%)
CIE-LAB	lab(49.67, -8.93, -29.67)
CIE-LCH	lch(49.67, 30.99, 253.25°)
OKLab	oklab(56.2% -0.0538 -0.0835)
OKLCH	oklch(56.2% 0.099 237.2)
XYZ	xyz(15.6654, 18.1456, 39.7150)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317DA8 #A85C31

analogous

#31A898 #317DA8 #3141A8

triadic

#317DA8 #A8317D #7DA831

tetradic

#317DA8 #9831A8 #A85C31 #41A831

square

#317DA8 #9831A8 #A85C31 #41A831

split-complementary

#317DA8 #A83141 #A89831

monochromatic

#153649 #235A79 #317DA8 #4C9DCB #7BB7D8

Accessibility & contrast

On white

4.54

#317DA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#317DA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317DA8

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317DA8	#FFFFFF	#000000	##000000
##317DA8	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697DAA

Deuteranopia (green-blind)

#5871A7

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #317da8;
/* rgb */ color: rgb(49, 125, 168);
/* oklch */ color: oklch(56.2% 0.099 237.2);

Tailwind

colors: {
  custom: {
    50: '#78a2c2',
    500: '#317da8',
    950: '#000000',
  },
}

SCSS

$custom: #317da8;
$custom-light: #78a2c2;
$custom-dark: #000000;

JSON

{
  "hex": "#317da8",
  "rgb": {
    "r": 49,
    "g": 125,
    "b": 168
  },
  "hsl": {
    "h": 201.681,
    "s": 54.839,
    "l": 42.549
  },
  "oklch": {
    "l": 0.56202,
    "c": 0.09934,
    "h": 237.2
  },
  "luminance": 0.18147
}

Semantic roles & 50–950 ramp

primary

#317DA8

secondary

#C19074

accent

#7F4ADE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #317DA8

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

Preview Lab → · Contrast checker → · Palette generator →