#313582#313582

#313582 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.3% C 0.127 H 276.1°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#313582
RGB	rgb(49, 53, 130)
HSL	hsl(237, 45%, 35%)
HSV	hsv(237, 62%, 51%)
CMYK	cmyk(62.3%, 59.2%, 0%, 49%)
CIE-LAB	lab(26.19, 23.33, -44.08)
CIE-LCH	lch(26.19, 49.88, 297.89°)
OKLab	oklab(37.3% 0.0135 -0.1266)
OKLCH	oklch(37.3% 0.127 276.1)
XYZ	xyz(6.5677, 4.8104, 21.6972)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313582 #827E31

analogous

#315D82 #313582 #553182

triadic

#313582 #823135 #358231

tetradic

#313582 #82315D #827E31 #318255

square

#313582 #82315D #827E31 #318255

split-complementary

#313582 #825531 #5D8231

monochromatic

#0F1129 #202356 #313582 #4247AE #686CC6

Accessibility & contrast

On white

10.70

#313582 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#313582 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313582

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313582	#FFFFFF	#000000	##FFFFFF
##313582	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004185

Deuteranopia (green-blind)

#003B80

Tritanopia (blue-blind)

#004756

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #313582;
/* rgb */ color: rgb(49, 53, 130);
/* oklch */ color: oklch(37.3% 0.127 276.1);

Tailwind

colors: {
  custom: {
    50: '#726ca7',
    500: '#313582',
    950: '#000000',
  },
}

SCSS

$custom: #313582;
$custom-light: #726ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#313582",
  "rgb": {
    "r": 49,
    "g": 53,
    "b": 130
  },
  "hsl": {
    "h": 237.037,
    "s": 45.251,
    "l": 35.098
  },
  "oklch": {
    "l": 0.37298,
    "c": 0.12731,
    "h": 276.1
  },
  "luminance": 0.04811
}

Semantic roles & 50–950 ramp

primary

#313582

secondary

#ADAA62

accent

#CF53D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #313582

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

Preview Lab → · Contrast checker → · Palette generator →