#313FA0#313FA0

#313FA0 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.8% C 0.157 H 271.6°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#313FA0
RGB	rgb(49, 63, 160)
HSL	hsl(232, 53%, 41%)
HSV	hsv(232, 69%, 63%)
CMYK	cmyk(69.4%, 60.6%, 0%, 37.3%)
CIE-LAB	lab(31.22, 27.59, -54.35)
CIE-LCH	lch(31.22, 60.95, 296.91°)
OKLab	oklab(41.79% 0.0043 -0.1567)
OKLCH	oklch(41.79% 0.157 271.6)
XYZ	xyz(9.3871, 6.7452, 34.0581)
Luminance	0.0675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313FA0 #A09231

analogous

#3176A0 #313FA0 #5A31A0

triadic

#313FA0 #A0313F #3FA031

tetradic

#313FA0 #A03176 #A09231 #31A05A

square

#313FA0 #A03176 #A09231 #31A05A

split-complementary

#313FA0 #A05A31 #76A031

monochromatic

#141A42 #232D71 #313FA0 #4757C7 #7682D5

Accessibility & contrast

On white

8.94

#313FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#313FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313FA0

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313FA0	#FFFFFF	#000000	##FFFFFF
##313FA0	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA3

Deuteranopia (green-blind)

#00459E

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #313fa0;
/* rgb */ color: rgb(49, 63, 160);
/* oklch */ color: oklch(41.8% 0.157 271.6);

Tailwind

colors: {
  custom: {
    50: '#7874bd',
    500: '#313fa0',
    950: '#000000',
  },
}

SCSS

$custom: #313fa0;
$custom-light: #7874bd;
$custom-dark: #000000;

JSON

{
  "hex": "#313fa0",
  "rgb": {
    "r": 49,
    "g": 63,
    "b": 160
  },
  "hsl": {
    "h": 232.432,
    "s": 53.11,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41789,
    "c": 0.15675,
    "h": 271.6
  },
  "luminance": 0.06746
}

Semantic roles & 50–950 ramp

primary

#313FA0

secondary

#BDB370

accent

#CA4BDD

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #313FA0

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

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