#313563#313563

#313563 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.9% C 0.080 H 277.7°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#313563
RGB	rgb(49, 53, 99)
HSL	hsl(235, 34%, 29%)
HSV	hsv(235, 51%, 39%)
CMYK	cmyk(50.5%, 46.5%, 0%, 61.2%)
CIE-LAB	lab(24.00, 12.29, -27.83)
CIE-LCH	lch(24.00, 30.42, 293.84°)
OKLab	oklab(34.95% 0.0106 -0.0788)
OKLCH	oklch(34.95% 0.08 277.7)
XYZ	xyz(4.7912, 4.0998, 12.3408)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313563 #635F31

analogous

#314E63 #313563 #463163

triadic

#313563 #633135 #356331

tetradic

#313563 #63314E #635F31 #316346

square

#313563 #63314E #635F31 #316346

split-complementary

#313563 #634631 #4E6331

monochromatic

#0A0B14 #1D1F3A #313563 #454B8C #5F65B0

Accessibility & contrast

On white

11.54

#313563 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#313563 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313563

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313563	#FFFFFF	#000000	##FFFFFF
##313563	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#233B65

Deuteranopia (green-blind)

#1F3762

Tritanopia (blue-blind)

#1F3F47

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #313563;
/* rgb */ color: rgb(49, 53, 99);
/* oklch */ color: oklch(34.9% 0.080 277.7);

Tailwind

colors: {
  custom: {
    50: '#6c6c90',
    500: '#313563',
    950: '#000000',
  },
}

SCSS

$custom: #313563;
$custom-light: #6c6c90;
$custom-dark: #000000;

JSON

{
  "hex": "#313563",
  "rgb": {
    "r": 49,
    "g": 53,
    "b": 99
  },
  "hsl": {
    "h": 235.2,
    "s": 33.784,
    "l": 29.02
  },
  "oklch": {
    "l": 0.3495,
    "c": 0.07954,
    "h": 277.7
  },
  "luminance": 0.041
}

Semantic roles & 50–950 ramp

primary

#313563

secondary

#94905C

accent

#C15ECA

background

#F6F6F8

surface

#ECEBF0

border

#C7C6CB

text

#07060C

muted

#7A7A7D

Preview Lab

Preview with #313563

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

Preview Lab → · Contrast checker → · Palette generator →