#313259#313259

#313259 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.6% C 0.068 H 281.0°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#313259
RGB	rgb(49, 50, 89)
HSL	hsl(239, 29%, 27%)
HSV	hsv(239, 45%, 35%)
CMYK	cmyk(44.9%, 43.8%, 0%, 65.1%)
CIE-LAB	lab(22.50, 10.97, -23.66)
CIE-LCH	lch(22.50, 26.08, 294.88°)
OKLab	oklab(33.61% 0.0129 -0.0667)
OKLCH	oklch(33.61% 0.068 281)
XYZ	xyz(4.2099, 3.6553, 9.9330)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313259 #595831

analogous

#314659 #313259 #443159

triadic

#313259 #593132 #325931

tetradic

#313259 #593146 #595831 #315944

square

#313259 #593146 #595831 #315944

split-complementary

#313259 #594431 #465931

monochromatic

#0B0B14 #1B1C32 #313259 #474880 #5E60A6

Accessibility & contrast

On white

12.13

#313259 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#313259 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313259

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313259	#FFFFFF	#000000	##FFFFFF
##313259	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24375B

Deuteranopia (green-blind)

#223458

Tritanopia (blue-blind)

#253A41

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #313259;
/* rgb */ color: rgb(49, 50, 89);
/* oklch */ color: oklch(33.6% 0.068 281.0);

Tailwind

colors: {
  custom: {
    50: '#6b6988',
    500: '#313259',
    950: '#000000',
  },
}

SCSS

$custom: #313259;
$custom-light: #6b6988;
$custom-dark: #000000;

JSON

{
  "hex": "#313259",
  "rgb": {
    "r": 49,
    "g": 50,
    "b": 89
  },
  "hsl": {
    "h": 238.5,
    "s": 28.986,
    "l": 27.059
  },
  "oklch": {
    "l": 0.33608,
    "c": 0.06791,
    "h": 281
  },
  "luminance": 0.03655
}

Semantic roles & 50–950 ramp

primary

#313259

secondary

#8A895C

accent

#C363C5

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#07060B

muted

#7A7A7C

Preview Lab

Preview with #313259

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

Preview Lab → · Contrast checker → · Palette generator →