#31298D#31298D

#31298D is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.1% C 0.158 H 278.5°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#31298D
RGB	rgb(49, 41, 141)
HSL	hsl(245, 55%, 36%)
HSV	hsv(245, 71%, 55%)
CMYK	cmyk(65.2%, 70.9%, 0%, 44.7%)
CIE-LAB	lab(24.20, 34.97, -54.19)
CIE-LCH	lch(24.20, 64.49, 302.83°)
OKLab	oklab(36.14% 0.0234 -0.1563)
OKLCH	oklch(36.14% 0.158 278.5)
XYZ	xyz(6.8657, 4.1614, 25.6356)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31298D #858D29

analogous

#29538D #31298D #63298D

triadic

#31298D #8D3129 #298D31

tetradic

#31298D #8D2953 #858D29 #298D63

square

#31298D #8D2953 #858D29 #298D63

split-complementary

#31298D #8D6329 #538D29

monochromatic

#100D2E #211B5E #31298D #4137BC #6960D1

Accessibility & contrast

On white

11.46

#31298D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#31298D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31298D

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31298D	#FFFFFF	#000000	##FFFFFF
##31298D	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D90

Deuteranopia (green-blind)

#00358B

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #31298d;
/* rgb */ color: rgb(49, 41, 141);
/* oklch */ color: oklch(36.1% 0.158 278.5);

Tailwind

colors: {
  custom: {
    50: '#7564af',
    500: '#31298d',
    950: '#000000',
  },
}

SCSS

$custom: #31298d;
$custom-light: #7564af;
$custom-dark: #000000;

JSON

{
  "hex": "#31298d",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 141
  },
  "hsl": {
    "h": 244.8,
    "s": 54.945,
    "l": 35.686
  },
  "oklch": {
    "l": 0.3614,
    "c": 0.15808,
    "h": 278.5
  },
  "luminance": 0.04162
}

Semantic roles & 50–950 ramp

primary

#31298D

secondary

#AFB65B

accent

#DE4AD2

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#090510

muted

#7B7A7F

Preview Lab

Preview with #31298D

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

Preview Lab → · Contrast checker → · Palette generator →