#313CA1#313CA1

#313CA1 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.3% C 0.162 H 272.4°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#313CA1
RGB	rgb(49, 60, 161)
HSL	hsl(234, 53%, 41%)
HSV	hsv(234, 70%, 63%)
CMYK	cmyk(69.6%, 62.7%, 0%, 36.9%)
CIE-LAB	lab(30.54, 29.92, -56.07)
CIE-LCH	lch(30.54, 63.55, 298.09°)
OKLab	oklab(41.31% 0.0066 -0.1618)
OKLCH	oklch(41.31% 0.162 272.4)
XYZ	xyz(9.3133, 6.4570, 34.4668)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313CA1 #A19631

analogous

#3174A1 #313CA1 #5E31A1

triadic

#313CA1 #A1313C #3CA131

tetradic

#313CA1 #A13174 #A19631 #31A15E

square

#313CA1 #A13174 #A19631 #31A15E

split-complementary

#313CA1 #A15E31 #74A131

monochromatic

#141943 #232B72 #313CA1 #4854C7 #7780D6

Accessibility & contrast

On white

9.16

#313CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#313CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313CA1

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313CA1	#FFFFFF	#000000	##FFFFFF
##313CA1	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA4

Deuteranopia (green-blind)

#00439F

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #313ca1;
/* rgb */ color: rgb(49, 60, 161);
/* oklch */ color: oklch(41.3% 0.162 272.4);

Tailwind

colors: {
  custom: {
    50: '#7871be',
    500: '#313ca1',
    950: '#000000',
  },
}

SCSS

$custom: #313ca1;
$custom-light: #7871be;
$custom-dark: #000000;

JSON

{
  "hex": "#313ca1",
  "rgb": {
    "r": 49,
    "g": 60,
    "b": 161
  },
  "hsl": {
    "h": 234.107,
    "s": 53.333,
    "l": 41.176
  },
  "oklch": {
    "l": 0.4131,
    "c": 0.1619,
    "h": 272.4
  },
  "luminance": 0.06458
}

Semantic roles & 50–950 ramp

primary

#313CA1

secondary

#BEB670

accent

#CE4BDD

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #313CA1

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

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