#312CAA#312CAA

#312CAA is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.5% C 0.192 H 274.9°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#312CAA
RGB	rgb(49, 44, 170)
HSL	hsl(242, 59%, 42%)
HSV	hsv(242, 74%, 67%)
CMYK	cmyk(71.2%, 74.1%, 0%, 33.3%)
CIE-LAB	lab(27.73, 42.92, -66.11)
CIE-LCH	lch(27.73, 78.82, 302.99°)
OKLab	oklab(39.53% 0.0163 -0.1912)
OKLCH	oklch(39.53% 0.192 274.9)
XYZ	xyz(9.4206, 5.3557, 38.5597)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312CAA #A5AA2C

analogous

#2C66AA #312CAA #702CAA

triadic

#312CAA #AA312C #2CAA31

tetradic

#312CAA #AA2C66 #A5AA2C #2CAA70

square

#312CAA #AA2C66 #A5AA2C #2CAA70

split-complementary

#312CAA #AA702C #66AA2C

monochromatic

#151349 #231F79 #312CAA #4A44CF #7975DB

Accessibility & contrast

On white

10.14

#312CAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#312CAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312CAA

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312CAA	#FFFFFF	#000000	##FFFFFF
##312CAA	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AE

Deuteranopia (green-blind)

#003CA8

Tritanopia (blue-blind)

#005068

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #312caa;
/* rgb */ color: rgb(49, 44, 170);
/* oklch */ color: oklch(39.5% 0.192 274.9);

Tailwind

colors: {
  custom: {
    50: '#7b67c5',
    500: '#312caa',
    950: '#000000',
  },
}

SCSS

$custom: #312caa;
$custom-light: #7b67c5;
$custom-dark: #000000;

JSON

{
  "hex": "#312caa",
  "rgb": {
    "r": 49,
    "g": 44,
    "b": 170
  },
  "hsl": {
    "h": 242.381,
    "s": 58.879,
    "l": 41.961
  },
  "oklch": {
    "l": 0.39531,
    "c": 0.19185,
    "h": 274.9
  },
  "luminance": 0.05357
}

Semantic roles & 50–950 ramp

primary

#312CAA

secondary

#C0C36F

accent

#E246DC

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #312CAA

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

Preview Lab → · Contrast checker → · Palette generator →