#312CA2#312CA2

#312CA2 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.7% C 0.182 H 275.6°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#312CA2
RGB	rgb(49, 44, 162)
HSL	hsl(243, 57%, 40%)
HSV	hsv(243, 73%, 64%)
CMYK	cmyk(69.8%, 72.8%, 0%, 36.5%)
CIE-LAB	lab(26.91, 40.26, -62.62)
CIE-LCH	lch(26.91, 74.44, 302.74°)
OKLab	oklab(38.71% 0.0177 -0.181)
OKLCH	oklch(38.71% 0.182 275.6)
XYZ	xyz(8.6867, 5.0622, 34.6947)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312CA2 #9DA22C

analogous

#2C62A2 #312CA2 #6C2CA2

triadic

#312CA2 #A2312C #2CA231

tetradic

#312CA2 #A22C62 #9DA22C #2CA26C

square

#312CA2 #A22C62 #9DA22C #2CA26C

split-complementary

#312CA2 #A26C2C #62A22C

monochromatic

#141242 #221F72 #312CA2 #4640CB #7570D8

Accessibility & contrast

On white

10.43

#312CA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#312CA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312CA2

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312CA2	#FFFFFF	#000000	##FFFFFF
##312CA2	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A5

Deuteranopia (green-blind)

#003AA0

Tritanopia (blue-blind)

#004D64

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #312ca2;
/* rgb */ color: rgb(49, 44, 162);
/* oklch */ color: oklch(38.7% 0.182 275.6);

Tailwind

colors: {
  custom: {
    50: '#7a67bf',
    500: '#312ca2',
    950: '#000000',
  },
}

SCSS

$custom: #312ca2;
$custom-light: #7a67bf;
$custom-dark: #000000;

JSON

{
  "hex": "#312ca2",
  "rgb": {
    "r": 49,
    "g": 44,
    "b": 162
  },
  "hsl": {
    "h": 242.542,
    "s": 57.282,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38707,
    "c": 0.18185,
    "h": 275.6
  },
  "luminance": 0.05063
}

Semantic roles & 50–950 ramp

primary

#312CA2

secondary

#BCBF6A

accent

#E147DA

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #312CA2

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

Preview Lab → · Contrast checker → · Palette generator →