#313E86#313E86

#313E86 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.121 H 272.0°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#313E86
RGB	rgb(49, 62, 134)
HSL	hsl(231, 46%, 36%)
HSV	hsv(231, 63%, 53%)
CMYK	cmyk(63.4%, 53.7%, 0%, 47.5%)
CIE-LAB	lab(28.95, 18.69, -42.11)
CIE-LCH	lch(28.95, 46.07, 293.94°)
OKLab	oklab(39.46% 0.0043 -0.1207)
OKLCH	oklch(39.46% 0.121 272)
XYZ	xyz(7.2909, 5.8188, 23.2886)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313E86 #867931

analogous

#316886 #313E86 #4E3186

triadic

#313E86 #86313E #3E8631

tetradic

#313E86 #863168 #867931 #31864E

square

#313E86 #863168 #867931 #31864E

split-complementary

#313E86 #864E31 #688631

monochromatic

#10152C #212959 #313E86 #4153B3 #6978C8

Accessibility & contrast

On white

9.71

#313E86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#313E86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313E86

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313E86	#FFFFFF	#000000	##FFFFFF
##313E86	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134889

Deuteranopia (green-blind)

#004185

Tritanopia (blue-blind)

#004F5C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #313e86;
/* rgb */ color: rgb(49, 62, 134);
/* oklch */ color: oklch(39.5% 0.121 272.0);

Tailwind

colors: {
  custom: {
    50: '#7273aa',
    500: '#313e86',
    950: '#000000',
  },
}

SCSS

$custom: #313e86;
$custom-light: #7273aa;
$custom-dark: #000000;

JSON

{
  "hex": "#313e86",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 134
  },
  "hsl": {
    "h": 230.824,
    "s": 46.448,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39462,
    "c": 0.12077,
    "h": 272
  },
  "luminance": 0.05819
}

Semantic roles & 50–950 ramp

primary

#313E86

secondary

#B0A463

accent

#C252D6

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #313E86

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

Preview Lab → · Contrast checker → · Palette generator →