#311A63#311A63

#311A63 is a dark, vivid violet. Relative luminance 0.023; OKLCH L 29.7% C 0.121 H 291.8°. Best body text is #FFFFFF at 14.40:1 contrast (WCAG AA passes).

Color values

HEX	#311A63
RGB	rgb(49, 26, 99)
HSL	hsl(259, 58%, 25%)
HSV	hsv(259, 74%, 39%)
CMYK	cmyk(50.5%, 73.7%, 0%, 61.2%)
CIE-LAB	lab(16.95, 30.23, -39.18)
CIE-LCH	lch(16.95, 49.49, 307.66°)
OKLab	oklab(29.74% 0.0449 -0.1123)
OKLCH	oklch(29.74% 0.121 291.8)
XYZ	xyz(3.8875, 2.2925, 12.0396)
Luminance	0.0229 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311A63 #4C631A

analogous

#1A2863 #311A63 #561A63

triadic

#311A63 #63311A #1A6331

tetradic

#311A63 #631A28 #4C631A #1A6356

square

#311A63 #631A28 #4C631A #1A6356

split-complementary

#311A63 #63561A #28631A

monochromatic

#0C0618 #190D33 #311A63 #492793 #6133C4

Accessibility & contrast

On white

14.40

#311A63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#311A63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311A63

14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311A63	#FFFFFF	#000000	##FFFFFF
##311A63	1.00	14.40	1.46	14.40
#FFFFFF	14.40	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B65

Deuteranopia (green-blind)

#002862

Tritanopia (blue-blind)

#212C3C

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #311a63;
/* rgb */ color: rgb(49, 26, 99);
/* oklch */ color: oklch(29.7% 0.121 291.8);

Tailwind

colors: {
  custom: {
    50: '#6f5890',
    500: '#311a63',
    950: '#000000',
  },
}

SCSS

$custom: #311a63;
$custom-light: #6f5890;
$custom-dark: #000000;

JSON

{
  "hex": "#311a63",
  "rgb": {
    "r": 49,
    "g": 26,
    "b": 99
  },
  "hsl": {
    "h": 258.904,
    "s": 58.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.29735,
    "c": 0.12093,
    "h": 291.8
  },
  "luminance": 0.02293
}

Semantic roles & 50–950 ramp

primary

#311A63

secondary

#7D9940

accent

#E246B1

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#08030D

muted

#7B787D

Preview Lab

Preview with #311A63

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

Preview Lab → · Contrast checker → · Palette generator →