#313A86#313A86

#313A86 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.6% C 0.126 H 273.8°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#313A86
RGB	rgb(49, 58, 134)
HSL	hsl(234, 46%, 36%)
HSV	hsv(234, 63%, 53%)
CMYK	cmyk(63.4%, 56.7%, 0%, 47.5%)
CIE-LAB	lab(27.84, 21.41, -43.89)
CIE-LCH	lch(27.84, 48.84, 296.00°)
OKLab	oklab(38.63% 0.0084 -0.126)
OKLCH	oklch(38.63% 0.126 273.8)
XYZ	xyz(7.0813, 5.3997, 23.2187)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313A86 #867D31

analogous

#316486 #313A86 #523186

triadic

#313A86 #86313A #3A8631

tetradic

#313A86 #863164 #867D31 #318652

square

#313A86 #863164 #867D31 #318652

split-complementary

#313A86 #865231 #648631

monochromatic

#10132C #212759 #313A86 #414DB3 #6973C8

Accessibility & contrast

On white

10.10

#313A86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#313A86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313A86

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313A86	#FFFFFF	#000000	##FFFFFF
##313A86	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#014689

Deuteranopia (green-blind)

#003E84

Tritanopia (blue-blind)

#004C5A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #313a86;
/* rgb */ color: rgb(49, 58, 134);
/* oklch */ color: oklch(38.6% 0.126 273.8);

Tailwind

colors: {
  custom: {
    50: '#7270aa',
    500: '#313a86',
    950: '#000000',
  },
}

SCSS

$custom: #313a86;
$custom-light: #7270aa;
$custom-dark: #000000;

JSON

{
  "hex": "#313a86",
  "rgb": {
    "r": 49,
    "g": 58,
    "b": 134
  },
  "hsl": {
    "h": 233.647,
    "s": 46.448,
    "l": 35.882
  },
  "oklch": {
    "l": 0.38631,
    "c": 0.12628,
    "h": 273.8
  },
  "luminance": 0.054
}

Semantic roles & 50–950 ramp

primary

#313A86

secondary

#B0A863

accent

#C852D6

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #313A86

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

Preview Lab → · Contrast checker → · Palette generator →