#312EA4#312EA4

#312EA4 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.2% C 0.182 H 275.1°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#312EA4
RGB	rgb(49, 46, 164)
HSL	hsl(242, 56%, 41%)
HSV	hsv(242, 72%, 64%)
CMYK	cmyk(70.1%, 72%, 0%, 35.7%)
CIE-LAB	lab(27.54, 39.75, -62.80)
CIE-LCH	lch(27.54, 74.33, 302.33°)
OKLab	oklab(39.21% 0.0162 -0.1815)
OKLCH	oklch(39.21% 0.182 275.1)
XYZ	xyz(8.9422, 5.2865, 35.6639)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312EA4 #A1A42E

analogous

#2E66A4 #312EA4 #6C2EA4

triadic

#312EA4 #A4312E #2EA431

tetradic

#312EA4 #A42E66 #A1A42E #2EA46C

square

#312EA4 #A42E66 #A1A42E #2EA46C

split-complementary

#312EA4 #A46C2E #66A42E

monochromatic

#141344 #232174 #312EA4 #4845CB #7774D8

Accessibility & contrast

On white

10.21

#312EA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#312EA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312EA4

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312EA4	#FFFFFF	#000000	##FFFFFF
##312EA4	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A8

Deuteranopia (green-blind)

#003CA2

Tritanopia (blue-blind)

#004F66

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #312ea4;
/* rgb */ color: rgb(49, 46, 164);
/* oklch */ color: oklch(39.2% 0.182 275.1);

Tailwind

colors: {
  custom: {
    50: '#7a68c0',
    500: '#312ea4',
    950: '#000000',
  },
}

SCSS

$custom: #312ea4;
$custom-light: #7a68c0;
$custom-dark: #000000;

JSON

{
  "hex": "#312ea4",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 164
  },
  "hsl": {
    "h": 241.525,
    "s": 56.19,
    "l": 41.176
  },
  "oklch": {
    "l": 0.39214,
    "c": 0.18224,
    "h": 275.1
  },
  "luminance": 0.05287
}

Semantic roles & 50–950 ramp

primary

#312EA4

secondary

#BEC06E

accent

#DF48DC

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #312EA4

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

Preview Lab → · Contrast checker → · Palette generator →