#312FA2#312FA2

#312FA2 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.2% C 0.179 H 275.1°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#312FA2
RGB	rgb(49, 47, 162)
HSL	hsl(241, 55%, 41%)
HSV	hsv(241, 71%, 64%)
CMYK	cmyk(69.8%, 71%, 0%, 36.5%)
CIE-LAB	lab(27.56, 38.48, -61.56)
CIE-LCH	lch(27.56, 72.59, 302.01°)
OKLab	oklab(39.17% 0.0159 -0.1779)
OKLCH	oklch(39.17% 0.179 275.1)
XYZ	xyz(8.8026, 5.2938, 34.7333)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312FA2 #A0A22F

analogous

#2F66A2 #312FA2 #6A2FA2

triadic

#312FA2 #A2312F #2FA231

tetradic

#312FA2 #A22F66 #A0A22F #2FA26A

square

#312FA2 #A22F66 #A0A22F #2FA26A

split-complementary

#312FA2 #A26A2F #66A22F

monochromatic

#141343 #232173 #312FA2 #4745C9 #7675D7

Accessibility & contrast

On white

10.20

#312FA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#312FA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312FA2

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312FA2	#FFFFFF	#000000	##FFFFFF
##312FA2	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A5

Deuteranopia (green-blind)

#003CA0

Tritanopia (blue-blind)

#004F65

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #312fa2;
/* rgb */ color: rgb(49, 47, 162);
/* oklch */ color: oklch(39.2% 0.179 275.1);

Tailwind

colors: {
  custom: {
    50: '#7968bf',
    500: '#312fa2',
    950: '#000000',
  },
}

SCSS

$custom: #312fa2;
$custom-light: #7968bf;
$custom-dark: #000000;

JSON

{
  "hex": "#312fa2",
  "rgb": {
    "r": 49,
    "g": 47,
    "b": 162
  },
  "hsl": {
    "h": 241.043,
    "s": 55.024,
    "l": 40.98
  },
  "oklch": {
    "l": 0.39169,
    "c": 0.1786,
    "h": 275.1
  },
  "luminance": 0.05295
}

Semantic roles & 50–950 ramp

primary

#312FA2

secondary

#BDBF6E

accent

#DE49DC

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #312FA2

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

Preview Lab → · Contrast checker → · Palette generator →