#311A79#311A79

#311A79 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.9% C 0.149 H 285.4°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#311A79
RGB	rgb(49, 26, 121)
HSL	hsl(255, 65%, 29%)
HSV	hsv(255, 79%, 47%)
CMYK	cmyk(59.5%, 78.5%, 0%, 52.5%)
CIE-LAB	lab(19.11, 37.10, -49.95)
CIE-LCH	lch(19.11, 62.22, 306.60°)
OKLab	oklab(31.92% 0.0395 -0.1438)
OKLCH	oklch(31.92% 0.149 285.4)
XYZ	xyz(5.0862, 2.7719, 18.3525)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311A79 #62791A

analogous

#1A3379 #311A79 #611A79

triadic

#311A79 #79311A #1A7931

tetradic

#311A79 #791A33 #62791A #1A7961

square

#311A79 #791A33 #62791A #1A7961

split-complementary

#311A79 #79611A #33791A

monochromatic

#0A0519 #1D0F47 #311A79 #4525AB #5F39D4

Accessibility & contrast

On white

13.51

#311A79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#311A79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311A79

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311A79	#FFFFFF	#000000	##FFFFFF
##311A79	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317C

Deuteranopia (green-blind)

#002B77

Tritanopia (blue-blind)

#0C3548

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #311a79;
/* rgb */ color: rgb(49, 26, 121);
/* oklch */ color: oklch(31.9% 0.149 285.4);

Tailwind

colors: {
  custom: {
    50: '#735aa1',
    500: '#311a79',
    950: '#000000',
  },
}

SCSS

$custom: #311a79;
$custom-light: #735aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#311a79",
  "rgb": {
    "r": 49,
    "g": 26,
    "b": 121
  },
  "hsl": {
    "h": 254.526,
    "s": 64.626,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31918,
    "c": 0.14917,
    "h": 285.4
  },
  "luminance": 0.02772
}

Semantic roles & 50–950 ramp

primary

#311A79

secondary

#93AD41

accent

#E840BF

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#09040F

muted

#7B797F

Preview Lab

Preview with #311A79

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

Preview Lab → · Contrast checker → · Palette generator →