#31298E#31298E

#31298E is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.2% C 0.159 H 278.4°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#31298E
RGB	rgb(49, 41, 142)
HSL	hsl(245, 55%, 36%)
HSV	hsv(245, 71%, 56%)
CMYK	cmyk(65.5%, 71.1%, 0%, 44.3%)
CIE-LAB	lab(24.29, 35.31, -54.65)
CIE-LCH	lch(24.29, 65.07, 302.86°)
OKLab	oklab(36.24% 0.0233 -0.1577)
OKLCH	oklch(36.24% 0.159 278.4)
XYZ	xyz(6.9405, 4.1913, 26.0292)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31298E #868E29

analogous

#29548E #31298E #63298E

triadic

#31298E #8E3129 #298E31

tetradic

#31298E #8E2954 #868E29 #298E63

square

#31298E #8E2954 #868E29 #298E63

split-complementary

#31298E #8E6329 #548E29

monochromatic

#100E2F #211B5F #31298E #4137BD #6960D1

Accessibility & contrast

On white

11.42

#31298E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#31298E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31298E

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31298E	#FFFFFF	#000000	##FFFFFF
##31298E	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E91

Deuteranopia (green-blind)

#00368C

Tritanopia (blue-blind)

#004458

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #31298e;
/* rgb */ color: rgb(49, 41, 142);
/* oklch */ color: oklch(36.2% 0.159 278.4);

Tailwind

colors: {
  custom: {
    50: '#7664b0',
    500: '#31298e',
    950: '#000000',
  },
}

SCSS

$custom: #31298e;
$custom-light: #7664b0;
$custom-dark: #000000;

JSON

{
  "hex": "#31298e",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 142
  },
  "hsl": {
    "h": 244.752,
    "s": 55.191,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36239,
    "c": 0.1594,
    "h": 278.4
  },
  "luminance": 0.04192
}

Semantic roles & 50–950 ramp

primary

#31298E

secondary

#B0B75C

accent

#DF49D3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #31298E

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

Preview Lab → · Contrast checker → · Palette generator →