#313C96#313C96

#313C96 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.147 H 272.7°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#313C96
RGB	rgb(49, 60, 150)
HSL	hsl(233, 51%, 39%)
HSV	hsv(233, 67%, 59%)
CMYK	cmyk(67.3%, 60%, 0%, 41.2%)
CIE-LAB	lab(29.63, 25.92, -50.86)
CIE-LCH	lch(29.63, 57.09, 297.00°)
OKLab	oklab(40.35% 0.0069 -0.1465)
OKLCH	oklch(40.35% 0.147 272.7)
XYZ	xyz(8.3857, 6.0859, 29.5810)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313C96 #968B31

analogous

#316F96 #313C96 #593196

triadic

#313C96 #96313C #3C9631

tetradic

#313C96 #96316F #968B31 #319659

square

#313C96 #96316F #968B31 #319659

split-complementary

#313C96 #965931 #6F9631

monochromatic

#13173A #222A68 #313C96 #4351C1 #717BD1

Accessibility & contrast

On white

9.47

#313C96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#313C96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313C96

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313C96	#FFFFFF	#000000	##FFFFFF
##313C96	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A99

Deuteranopia (green-blind)

#004194

Tritanopia (blue-blind)

#005263

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #313c96;
/* rgb */ color: rgb(49, 60, 150);
/* oklch */ color: oklch(40.4% 0.147 272.7);

Tailwind

colors: {
  custom: {
    50: '#7671b6',
    500: '#313c96',
    950: '#000000',
  },
}

SCSS

$custom: #313c96;
$custom-light: #7671b6;
$custom-dark: #000000;

JSON

{
  "hex": "#313c96",
  "rgb": {
    "r": 49,
    "g": 60,
    "b": 150
  },
  "hsl": {
    "h": 233.465,
    "s": 50.754,
    "l": 39.02
  },
  "oklch": {
    "l": 0.40354,
    "c": 0.14663,
    "h": 272.7
  },
  "luminance": 0.06087
}

Semantic roles & 50–950 ramp

primary

#313C96

secondary

#B8B06A

accent

#CB4EDA

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #313C96

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

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