#312091#312091

#312091 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.2% C 0.173 H 279.6°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#312091
RGB	rgb(49, 32, 145)
HSL	hsl(249, 64%, 35%)
HSV	hsv(249, 78%, 57%)
CMYK	cmyk(66.2%, 77.9%, 0%, 43.1%)
CIE-LAB	lab(22.76, 41.45, -59.04)
CIE-LCH	lch(22.76, 72.14, 305.07°)
OKLab	oklab(35.24% 0.0288 -0.1705)
OKLCH	oklch(35.24% 0.173 279.6)
XYZ	xyz(6.8923, 3.7298, 27.1393)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312091 #809120

analogous

#204791 #312091 #6A2091

triadic

#312091 #913120 #209131

tetradic

#312091 #912047 #809120 #20916A

square

#312091 #912047 #809120 #20916A

split-complementary

#312091 #916A20 #479120

monochromatic

#0F0A2D #20155F #312091 #422BC3 #6752D9

Accessibility & contrast

On white

12.03

#312091 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#312091 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312091

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312091	#FFFFFF	#000000	##FFFFFF
##312091	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A94

Deuteranopia (green-blind)

#00328F

Tritanopia (blue-blind)

#004157

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #312091;
/* rgb */ color: rgb(49, 32, 145);
/* oklch */ color: oklch(35.2% 0.173 279.6);

Tailwind

colors: {
  custom: {
    50: '#775eb2',
    500: '#312091',
    950: '#000000',
  },
}

SCSS

$custom: #312091;
$custom-light: #775eb2;
$custom-dark: #000000;

JSON

{
  "hex": "#312091",
  "rgb": {
    "r": 49,
    "g": 32,
    "b": 145
  },
  "hsl": {
    "h": 249.027,
    "s": 63.842,
    "l": 34.706
  },
  "oklch": {
    "l": 0.3524,
    "c": 0.17288,
    "h": 279.6
  },
  "luminance": 0.0373
}

Semantic roles & 50–950 ramp

primary

#312091

secondary

#ACBC51

accent

#E741CE

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #312091

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

Preview Lab → · Contrast checker → · Palette generator →