#313F86#313F86

#313F86 is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.7% C 0.119 H 271.5°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#313F86
RGB	rgb(49, 63, 134)
HSL	hsl(230, 46%, 36%)
HSV	hsv(230, 63%, 53%)
CMYK	cmyk(63.4%, 53%, 0%, 47.5%)
CIE-LAB	lab(29.23, 18.02, -41.65)
CIE-LCH	lch(29.23, 45.38, 293.39°)
OKLab	oklab(39.67% 0.0032 -0.1193)
OKLCH	oklch(39.67% 0.119 271.5)
XYZ	xyz(7.3458, 5.9286, 23.3069)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313F86 #867831

analogous

#316986 #313F86 #4D3186

triadic

#313F86 #86313F #3F8631

tetradic

#313F86 #863169 #867831 #31864D

square

#313F86 #863169 #867831 #31864D

split-complementary

#313F86 #864D31 #698631

monochromatic

#10152C #212A59 #313F86 #4154B3 #6979C8

Accessibility & contrast

On white

9.61

#313F86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#313F86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313F86

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313F86	#FFFFFF	#000000	##FFFFFF
##313F86	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164989

Deuteranopia (green-blind)

#004185

Tritanopia (blue-blind)

#004F5C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #313f86;
/* rgb */ color: rgb(49, 63, 134);
/* oklch */ color: oklch(39.7% 0.119 271.5);

Tailwind

colors: {
  custom: {
    50: '#7273aa',
    500: '#313f86',
    950: '#000000',
  },
}

SCSS

$custom: #313f86;
$custom-light: #7273aa;
$custom-dark: #000000;

JSON

{
  "hex": "#313f86",
  "rgb": {
    "r": 49,
    "g": 63,
    "b": 134
  },
  "hsl": {
    "h": 230.118,
    "s": 46.448,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39673,
    "c": 0.11939,
    "h": 271.5
  },
  "luminance": 0.05929
}

Semantic roles & 50–950 ramp

primary

#313F86

secondary

#B0A363

accent

#C052D6

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #313F86

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

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