#312398#312398

#312398 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.4% C 0.179 H 278.1°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#312398
RGB	rgb(49, 35, 152)
HSL	hsl(247, 63%, 37%)
HSV	hsv(247, 77%, 60%)
CMYK	cmyk(67.8%, 77%, 0%, 40.4%)
CIE-LAB	lab(24.07, 42.07, -61.20)
CIE-LCH	lch(24.07, 74.26, 304.50°)
OKLab	oklab(36.38% 0.0252 -0.1768)
OKLCH	oklch(36.38% 0.179 278.1)
XYZ	xyz(7.5333, 4.1214, 30.0982)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312398 #8A9823

analogous

#235098 #312398 #6C2398

triadic

#312398 #983123 #239831

tetradic

#312398 #982350 #8A9823 #23986C

square

#312398 #982350 #8A9823 #23986C

split-complementary

#312398 #986C23 #509823

monochromatic

#110C35 #211866 #312398 #412ECA #6B5CD9

Accessibility & contrast

On white

11.51

#312398 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#312398 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312398

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312398	#FFFFFF	#000000	##FFFFFF
##312398	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9B

Deuteranopia (green-blind)

#003496

Tritanopia (blue-blind)

#00455C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #312398;
/* rgb */ color: rgb(49, 35, 152);
/* oklch */ color: oklch(36.4% 0.179 278.1);

Tailwind

colors: {
  custom: {
    50: '#7860b7',
    500: '#312398',
    950: '#000000',
  },
}

SCSS

$custom: #312398;
$custom-light: #7860b7;
$custom-dark: #000000;

JSON

{
  "hex": "#312398",
  "rgb": {
    "r": 49,
    "g": 35,
    "b": 152
  },
  "hsl": {
    "h": 247.179,
    "s": 62.567,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36384,
    "c": 0.17856,
    "h": 278.1
  },
  "luminance": 0.04122
}

Semantic roles & 50–950 ramp

primary

#312398

secondary

#B2BE59

accent

#E642D2

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #312398

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

Preview Lab → · Contrast checker → · Palette generator →