#331A8C#331A8C

#331A8C is a dark, vivid violet. Relative luminance 0.033; OKLCH L 34.1% C 0.172 H 282.4°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#331A8C
RGB	rgb(51, 26, 140)
HSL	hsl(253, 69%, 33%)
HSV	hsv(253, 81%, 55%)
CMYK	cmyk(63.6%, 81.4%, 0%, 45.1%)
CIE-LAB	lab(21.34, 43.17, -58.27)
CIE-LCH	lch(21.34, 72.52, 306.54°)
OKLab	oklab(34.14% 0.0369 -0.1681)
OKLCH	oklch(34.14% 0.172 282.4)
XYZ	xyz(6.4668, 3.3356, 25.1089)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331A8C #738C1A

analogous

#1A3A8C #331A8C #6C1A8C

triadic

#331A8C #8C331A #1A8C33

tetradic

#331A8C #8C1A3A #738C1A #1A8C6C

square

#331A8C #8C1A3A #738C1A #1A8C6C

split-complementary

#331A8C #8C6C1A #3A8C1A

monochromatic

#0D0725 #201058 #331A8C #4624C0 #6544DC

Accessibility & contrast

On white

12.60

#331A8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#331A8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331A8C

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331A8C	#FFFFFF	#000000	##FFFFFF
##331A8C	1.00	12.60	1.67	12.60
#FFFFFF	12.60	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378F

Deuteranopia (green-blind)

#002F8A

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #331a8c;
/* rgb */ color: rgb(51, 26, 140);
/* oklch */ color: oklch(34.1% 0.172 282.4);

Tailwind

colors: {
  custom: {
    50: '#775baf',
    500: '#331a8c',
    950: '#000000',
  },
}

SCSS

$custom: #331a8c;
$custom-light: #775baf;
$custom-dark: #000000;

JSON

{
  "hex": "#331a8c",
  "rgb": {
    "r": 51,
    "g": 26,
    "b": 140
  },
  "hsl": {
    "h": 253.158,
    "s": 68.675,
    "l": 32.549
  },
  "oklch": {
    "l": 0.34135,
    "c": 0.17207,
    "h": 282.4
  },
  "luminance": 0.03336
}

Semantic roles & 50–950 ramp

primary

#331A8C

secondary

#A3BE44

accent

#EC3CC5

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #331A8C

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

Preview Lab → · Contrast checker → · Palette generator →