#313C82#313C82

#313C82 is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.7% C 0.118 H 273.0°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#313C82
RGB	rgb(49, 60, 130)
HSL	hsl(232, 45%, 35%)
HSV	hsv(232, 62%, 51%)
CMYK	cmyk(62.3%, 53.8%, 0%, 49%)
CIE-LAB	lab(28.10, 18.59, -40.98)
CIE-LCH	lch(28.10, 45.00, 294.39°)
OKLab	oklab(38.73% 0.0061 -0.1174)
OKLCH	oklch(38.73% 0.118 273)
XYZ	xyz(6.9104, 5.4958, 21.8114)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313C82 #827731

analogous

#316482 #313C82 #4F3182

triadic

#313C82 #82313C #3C8231

tetradic

#313C82 #823164 #827731 #31824F

square

#313C82 #823164 #827731 #31824F

split-complementary

#313C82 #824F31 #648231

monochromatic

#0F1329 #202756 #313C82 #4251AE #6874C6

Accessibility & contrast

On white

10.00

#313C82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#313C82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313C82

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313C82	#FFFFFF	#000000	##FFFFFF
##313C82	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134684

Deuteranopia (green-blind)

#003F81

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #313c82;
/* rgb */ color: rgb(49, 60, 130);
/* oklch */ color: oklch(38.7% 0.118 273.0);

Tailwind

colors: {
  custom: {
    50: '#7171a7',
    500: '#313c82',
    950: '#000000',
  },
}

SCSS

$custom: #313c82;
$custom-light: #7171a7;
$custom-dark: #000000;

JSON

{
  "hex": "#313c82",
  "rgb": {
    "r": 49,
    "g": 60,
    "b": 130
  },
  "hsl": {
    "h": 231.852,
    "s": 45.251,
    "l": 35.098
  },
  "oklch": {
    "l": 0.38731,
    "c": 0.11757,
    "h": 273
  },
  "luminance": 0.05496
}

Semantic roles & 50–950 ramp

primary

#313C82

secondary

#ADA362

accent

#C353D5

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #313C82

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

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