#313EA2#313EA2

#313EA2 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.8% C 0.161 H 271.8°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#313EA2
RGB	rgb(49, 62, 162)
HSL	hsl(233, 54%, 41%)
HSV	hsv(233, 70%, 64%)
CMYK	cmyk(69.8%, 61.7%, 0%, 36.5%)
CIE-LAB	lab(31.13, 28.97, -55.71)
CIE-LCH	lch(31.13, 62.79, 297.48°)
OKLab	oklab(41.77% 0.005 -0.1607)
OKLCH	oklch(41.77% 0.161 271.8)
XYZ	xyz(9.5086, 6.7059, 34.9687)
Luminance	0.0671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313EA2 #A29531

analogous

#3177A2 #313EA2 #5D31A2

triadic

#313EA2 #A2313E #3EA231

tetradic

#313EA2 #A23177 #A29531 #31A25D

square

#313EA2 #A23177 #A29531 #31A25D

split-complementary

#313EA2 #A25D31 #77A231

monochromatic

#151A44 #232C73 #313EA2 #4857C8 #7782D6

Accessibility & contrast

On white

8.97

#313EA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#313EA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313EA2

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313EA2	#FFFFFF	#000000	##FFFFFF
##313EA2	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA5

Deuteranopia (green-blind)

#0044A0

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #313ea2;
/* rgb */ color: rgb(49, 62, 162);
/* oklch */ color: oklch(41.8% 0.161 271.8);

Tailwind

colors: {
  custom: {
    50: '#7873be',
    500: '#313ea2',
    950: '#000000',
  },
}

SCSS

$custom: #313ea2;
$custom-light: #7873be;
$custom-dark: #000000;

JSON

{
  "hex": "#313ea2",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 162
  },
  "hsl": {
    "h": 233.097,
    "s": 53.555,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41772,
    "c": 0.16076,
    "h": 271.8
  },
  "luminance": 0.06707
}

Semantic roles & 50–950 ramp

primary

#313EA2

secondary

#BEB571

accent

#CC4BDD

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #313EA2

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

Preview Lab → · Contrast checker → · Palette generator →