#313477#313477

#313477 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 36.2% C 0.112 H 277.3°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#313477
RGB	rgb(49, 52, 119)
HSL	hsl(237, 42%, 33%)
HSV	hsv(237, 59%, 47%)
CMYK	cmyk(58.8%, 56.3%, 0%, 53.3%)
CIE-LAB	lab(25.08, 20.05, -38.94)
CIE-LCH	lch(25.08, 43.80, 297.25°)
OKLab	oklab(36.2% 0.0142 -0.1115)
OKLCH	oklch(36.2% 0.112 277.3)
XYZ	xyz(5.8233, 4.4405, 17.9994)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313477 #777431

analogous

#315777 #313477 #513177

triadic

#313477 #773134 #347731

tetradic

#313477 #773157 #777431 #317751

square

#313477 #773157 #777431 #317751

split-complementary

#313477 #775131 #577731

monochromatic

#0D0E20 #1F214C #313477 #4347A2 #6367BF

Accessibility & contrast

On white

11.12

#313477 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#313477 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313477

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313477	#FFFFFF	#000000	##FFFFFF
##313477	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A3E79

Deuteranopia (green-blind)

#003976

Tritanopia (blue-blind)

#0A4350

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #313477;
/* rgb */ color: rgb(49, 52, 119);
/* oklch */ color: oklch(36.2% 0.112 277.3);

Tailwind

colors: {
  custom: {
    50: '#706b9f',
    500: '#313477',
    950: '#000000',
  },
}

SCSS

$custom: #313477;
$custom-light: #706b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#313477",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 119
  },
  "hsl": {
    "h": 237.429,
    "s": 41.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36203,
    "c": 0.11239,
    "h": 277.3
  },
  "luminance": 0.04441
}

Semantic roles & 50–950 ramp

primary

#313477

secondary

#A6A35D

accent

#CC56D1

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060E

muted

#7B7A7E

Preview Lab

Preview with #313477

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

Preview Lab → · Contrast checker → · Palette generator →