#317AA8#317AA8

#317AA8 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.5% C 0.101 H 240.0°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#317AA8
RGB	rgb(49, 122, 168)
HSL	hsl(203, 55%, 43%)
HSV	hsv(203, 71%, 66%)
CMYK	cmyk(70.8%, 27.4%, 0%, 34.1%)
CIE-LAB	lab(48.76, -7.19, -31.10)
CIE-LCH	lch(48.76, 31.92, 256.99°)
OKLab	oklab(55.48% -0.0507 -0.0877)
OKLCH	oklch(55.48% 0.101 240)
XYZ	xyz(15.2913, 17.3975, 39.5904)
Luminance	0.1740 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317AA8 #A85F31

analogous

#31A89A #317AA8 #313FA8

triadic

#317AA8 #A8317A #7AA831

tetradic

#317AA8 #9A31A8 #A85F31 #3FA831

square

#317AA8 #9A31A8 #A85F31 #3FA831

split-complementary

#317AA8 #A8313F #A89A31

monochromatic

#153549 #235879 #317AA8 #4C9ACB #7BB4D8

Accessibility & contrast

On white

4.69

#317AA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#317AA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #317AA8

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317AA8	#FFFFFF	#000000	##FFFFFF
##317AA8	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#657AAA

Deuteranopia (green-blind)

#546FA7

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #317aa8;
/* rgb */ color: rgb(49, 122, 168);
/* oklch */ color: oklch(55.5% 0.101 240.0);

Tailwind

colors: {
  custom: {
    50: '#78a0c2',
    500: '#317aa8',
    950: '#000000',
  },
}

SCSS

$custom: #317aa8;
$custom-light: #78a0c2;
$custom-dark: #000000;

JSON

{
  "hex": "#317aa8",
  "rgb": {
    "r": 49,
    "g": 122,
    "b": 168
  },
  "hsl": {
    "h": 203.193,
    "s": 54.839,
    "l": 42.549
  },
  "oklch": {
    "l": 0.55476,
    "c": 0.10129,
    "h": 240
  },
  "luminance": 0.17399
}

Semantic roles & 50–950 ramp

primary

#317AA8

secondary

#C19274

accent

#834ADE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #317AA8

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

Preview Lab → · Contrast checker → · Palette generator →