#313579#313579

#313579 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.6% C 0.114 H 276.6°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#313579
RGB	rgb(49, 53, 121)
HSL	hsl(237, 42%, 33%)
HSV	hsv(237, 60%, 47%)
CMYK	cmyk(59.5%, 56.2%, 0%, 52.5%)
CIE-LAB	lab(25.50, 20.09, -39.53)
CIE-LCH	lch(25.50, 44.34, 296.94°)
OKLab	oklab(36.57% 0.0132 -0.1132)
OKLCH	oklch(36.57% 0.114 276.6)
XYZ	xyz(5.9898, 4.5792, 18.6537)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313579 #797531

analogous

#315979 #313579 #513179

triadic

#313579 #793135 #357931

tetradic

#313579 #793159 #797531 #317951

square

#313579 #793159 #797531 #317951

split-complementary

#313579 #795131 #597931

monochromatic

#0E0F22 #1F224D #313579 #4348A5 #6469C0

Accessibility & contrast

On white

10.96

#313579 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#313579 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313579

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313579	#FFFFFF	#000000	##FFFFFF
##313579	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A3F7B

Deuteranopia (green-blind)

#003978

Tritanopia (blue-blind)

#054551

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #313579;
/* rgb */ color: rgb(49, 53, 121);
/* oklch */ color: oklch(36.6% 0.114 276.6);

Tailwind

colors: {
  custom: {
    50: '#706ca0',
    500: '#313579',
    950: '#000000',
  },
}

SCSS

$custom: #313579;
$custom-light: #706ca0;
$custom-dark: #000000;

JSON

{
  "hex": "#313579",
  "rgb": {
    "r": 49,
    "g": 53,
    "b": 121
  },
  "hsl": {
    "h": 236.667,
    "s": 42.353,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36568,
    "c": 0.11397,
    "h": 276.6
  },
  "luminance": 0.0458
}

Semantic roles & 50–950 ramp

primary

#313579

secondary

#A8A45E

accent

#CB56D2

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060F

muted

#7B7A7E

Preview Lab

Preview with #313579

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

Preview Lab → · Contrast checker → · Palette generator →