#313158#313158

#313158 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.3% C 0.068 H 282.1°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#313158
RGB	rgb(49, 49, 88)
HSL	hsl(240, 28%, 27%)
HSV	hsv(240, 44%, 35%)
CMYK	cmyk(44.3%, 44.3%, 0%, 65.5%)
CIE-LAB	lab(22.14, 11.33, -23.57)
CIE-LCH	lch(22.14, 26.15, 295.68°)
OKLab	oklab(33.32% 0.0142 -0.0664)
OKLCH	oklch(33.32% 0.068 282.1)
XYZ	xyz(4.1259, 3.5540, 9.6992)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313158 #585831

analogous

#314558 #313158 #453158

triadic

#313158 #583131 #315831

tetradic

#313158 #583145 #585831 #315845

square

#313158 #583145 #585831 #315845

split-complementary

#313158 #584531 #455831

monochromatic

#0B0B14 #1B1B31 #313158 #47477F #5E5EA5

Accessibility & contrast

On white

12.27

#313158 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#313158 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313158

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313158	#FFFFFF	#000000	##FFFFFF
##313158	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#233659

Deuteranopia (green-blind)

#213457

Tritanopia (blue-blind)

#253940

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #313158;
/* rgb */ color: rgb(49, 49, 88);
/* oklch */ color: oklch(33.3% 0.068 282.1);

Tailwind

colors: {
  custom: {
    50: '#6b6987',
    500: '#313158',
    950: '#000000',
  },
}

SCSS

$custom: #313158;
$custom-light: #6b6987;
$custom-dark: #000000;

JSON

{
  "hex": "#313158",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 88
  },
  "hsl": {
    "h": 240,
    "s": 28.467,
    "l": 26.863
  },
  "oklch": {
    "l": 0.33315,
    "c": 0.0679,
    "h": 282.1
  },
  "luminance": 0.03554
}

Semantic roles & 50–950 ramp

primary

#313158

secondary

#89895C

accent

#C563C5

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#07060B

muted

#7A7A7C

Preview Lab

Preview with #313158

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

Preview Lab → · Contrast checker → · Palette generator →