#312EA3#312EA3

#312EA3 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.1% C 0.181 H 275.2°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#312EA3
RGB	rgb(49, 46, 163)
HSL	hsl(242, 56%, 41%)
HSV	hsv(242, 72%, 64%)
CMYK	cmyk(69.9%, 71.8%, 0%, 36.1%)
CIE-LAB	lab(27.44, 39.42, -62.36)
CIE-LCH	lch(27.44, 73.77, 302.30°)
OKLab	oklab(39.11% 0.0163 -0.1802)
OKLCH	oklch(39.11% 0.181 275.2)
XYZ	xyz(8.8523, 5.2505, 35.1902)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312EA3 #A0A32E

analogous

#2E65A3 #312EA3 #6B2EA3

triadic

#312EA3 #A3312E #2EA331

tetradic

#312EA3 #A32E65 #A0A32E #2EA36B

square

#312EA3 #A32E65 #A0A32E #2EA36B

split-complementary

#312EA3 #A36B2E #65A32E

monochromatic

#141344 #232173 #312EA3 #4744CA #7674D8

Accessibility & contrast

On white

10.24

#312EA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#312EA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312EA3

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312EA3	#FFFFFF	#000000	##FFFFFF
##312EA3	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A6

Deuteranopia (green-blind)

#003BA1

Tritanopia (blue-blind)

#004E65

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #312ea3;
/* rgb */ color: rgb(49, 46, 163);
/* oklch */ color: oklch(39.1% 0.181 275.2);

Tailwind

colors: {
  custom: {
    50: '#7a68bf',
    500: '#312ea3',
    950: '#000000',
  },
}

SCSS

$custom: #312ea3;
$custom-light: #7a68bf;
$custom-dark: #000000;

JSON

{
  "hex": "#312ea3",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 163
  },
  "hsl": {
    "h": 241.538,
    "s": 55.981,
    "l": 40.98
  },
  "oklch": {
    "l": 0.39113,
    "c": 0.18097,
    "h": 275.2
  },
  "luminance": 0.05251
}

Semantic roles & 50–950 ramp

primary

#312EA3

secondary

#BDBF6D

accent

#DF49DB

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #312EA3

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

Preview Lab → · Contrast checker → · Palette generator →