#331A77#331A77

#331A77 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.9% C 0.147 H 287.2°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#331A77
RGB	rgb(51, 26, 119)
HSL	hsl(256, 64%, 28%)
HSV	hsv(256, 78%, 47%)
CMYK	cmyk(57.1%, 78.2%, 0%, 53.3%)
CIE-LAB	lab(19.12, 36.77, -48.64)
CIE-LCH	lch(19.12, 60.98, 307.09°)
OKLab	oklab(31.91% 0.0433 -0.14)
OKLCH	oklch(31.91% 0.147 287.2)
XYZ	xyz(5.0634, 2.7742, 17.7179)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331A77 #5E771A

analogous

#1A2F77 #331A77 #611A77

triadic

#331A77 #77331A #1A7733

tetradic

#331A77 #771A2F #5E771A #1A7761

square

#331A77 #771A2F #5E771A #1A7761

split-complementary

#331A77 #77611A #2F771A

monochromatic

#0B0519 #1D0F45 #331A77 #4925A9 #6238D3

Accessibility & contrast

On white

13.50

#331A77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#331A77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331A77

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331A77	#FFFFFF	#000000	##FFFFFF
##331A77	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317A

Deuteranopia (green-blind)

#002C75

Tritanopia (blue-blind)

#163447

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #331a77;
/* rgb */ color: rgb(51, 26, 119);
/* oklch */ color: oklch(31.9% 0.147 287.2);

Tailwind

colors: {
  custom: {
    50: '#735a9f',
    500: '#331a77',
    950: '#000000',
  },
}

SCSS

$custom: #331a77;
$custom-light: #735a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#331a77",
  "rgb": {
    "r": 51,
    "g": 26,
    "b": 119
  },
  "hsl": {
    "h": 256.129,
    "s": 64.138,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31914,
    "c": 0.14651,
    "h": 287.2
  },
  "luminance": 0.02775
}

Semantic roles & 50–950 ramp

primary

#331A77

secondary

#8FAC41

accent

#E741BA

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #331A77

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

Preview Lab → · Contrast checker → · Palette generator →