#312297#312297

#312297 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.1% C 0.178 H 278.4°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#312297
RGB	rgb(49, 34, 151)
HSL	hsl(248, 63%, 36%)
HSV	hsv(248, 77%, 59%)
CMYK	cmyk(67.5%, 77.5%, 0%, 40.8%)
CIE-LAB	lab(23.77, 42.29, -61.07)
CIE-LCH	lch(23.77, 74.28, 304.70°)
OKLab	oklab(36.14% 0.0261 -0.1764)
OKLCH	oklch(36.14% 0.178 278.4)
XYZ	xyz(7.4228, 4.0308, 29.6590)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312297 #889722

analogous

#224E97 #312297 #6C2297

triadic

#312297 #973122 #229731

tetradic

#312297 #97224E #889722 #22976C

square

#312297 #97224E #889722 #22976C

split-complementary

#312297 #976C22 #4E9722

monochromatic

#110C33 #211765 #312297 #412DC9 #6A5ADA

Accessibility & contrast

On white

11.63

#312297 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#312297 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312297

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312297	#FFFFFF	#000000	##FFFFFF
##312297	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9A

Deuteranopia (green-blind)

#003495

Tritanopia (blue-blind)

#00445B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #312297;
/* rgb */ color: rgb(49, 34, 151);
/* oklch */ color: oklch(36.1% 0.178 278.4);

Tailwind

colors: {
  custom: {
    50: '#7860b7',
    500: '#312297',
    950: '#000000',
  },
}

SCSS

$custom: #312297;
$custom-light: #7860b7;
$custom-dark: #000000;

JSON

{
  "hex": "#312297",
  "rgb": {
    "r": 49,
    "g": 34,
    "b": 151
  },
  "hsl": {
    "h": 247.692,
    "s": 63.243,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36144,
    "c": 0.17831,
    "h": 278.4
  },
  "luminance": 0.04031
}

Semantic roles & 50–950 ramp

primary

#312297

secondary

#B1BE57

accent

#E642D1

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #312297

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

Preview Lab → · Contrast checker → · Palette generator →