#311B60#311B60

#311B60 is a dark, moderate violet. Relative luminance 0.023; OKLCH L 29.6% C 0.116 H 292.6°. Best body text is #FFFFFF at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#311B60
RGB	rgb(49, 27, 96)
HSL	hsl(259, 56%, 24%)
HSV	hsv(259, 72%, 38%)
CMYK	cmyk(49%, 71.9%, 0%, 62.4%)
CIE-LAB	lab(16.90, 28.70, -37.28)
CIE-LCH	lch(16.90, 47.05, 307.59°)
OKLab	oklab(29.61% 0.0443 -0.1067)
OKLCH	oklch(29.61% 0.116 292.6)
XYZ	xyz(3.7693, 2.2812, 11.3058)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311B60 #4A601B

analogous

#1B2860 #311B60 #541B60

triadic

#311B60 #60311B #1B6031

tetradic

#311B60 #601B28 #4A601B #1B6054

square

#311B60 #601B28 #4A601B #1B6054

split-complementary

#311B60 #60541B #28601B

monochromatic

#0C0718 #190E30 #311B60 #492890 #6236C0

Accessibility & contrast

On white

14.42

#311B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#311B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311B60

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311B60	#FFFFFF	#000000	##FFFFFF
##311B60	1.00	14.42	1.46	14.42
#FFFFFF	14.42	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B62

Deuteranopia (green-blind)

#00285F

Tritanopia (blue-blind)

#232C3B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #311b60;
/* rgb */ color: rgb(49, 27, 96);
/* oklch */ color: oklch(29.6% 0.116 292.6);

Tailwind

colors: {
  custom: {
    50: '#6e598e',
    500: '#311b60',
    950: '#000000',
  },
}

SCSS

$custom: #311b60;
$custom-light: #6e598e;
$custom-dark: #000000;

JSON

{
  "hex": "#311b60",
  "rgb": {
    "r": 49,
    "g": 27,
    "b": 96
  },
  "hsl": {
    "h": 259.13,
    "s": 56.098,
    "l": 24.118
  },
  "oklch": {
    "l": 0.29612,
    "c": 0.11556,
    "h": 292.6
  },
  "luminance": 0.02281
}

Semantic roles & 50–950 ramp

primary

#311B60

secondary

#7B9641

accent

#DF48AF

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#07030C

muted

#7A787D

Preview Lab

Preview with #311B60

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

Preview Lab → · Contrast checker → · Palette generator →