#311359#311359

#311359 is a dark, moderate violet. Relative luminance 0.018; OKLCH L 27.8% C 0.117 H 297.7°. Best body text is #FFFFFF at 15.35:1 contrast (WCAG AA passes).

Color values

HEX	#311359
RGB	rgb(49, 19, 89)
HSL	hsl(266, 65%, 21%)
HSV	hsv(266, 79%, 35%)
CMYK	cmyk(44.9%, 78.7%, 0%, 65.1%)
CIE-LAB	lab(14.62, 31.15, -36.31)
CIE-LCH	lch(14.62, 47.84, 310.63°)
OKLab	oklab(27.79% 0.0546 -0.1038)
OKLCH	oklch(27.79% 0.117 297.7)
XYZ	xyz(3.3022, 1.8399, 9.6304)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.58

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311359 #3B5913

analogous

#131859 #311359 #541359

triadic

#311359 #593113 #135931

tetradic

#311359 #591318 #3B5913 #135954

square

#311359 #591318 #3B5913 #135954

split-complementary

#311359 #595413 #185913

monochromatic

#0E0519 #150827 #311359 #4D1E8B #6929BE

Accessibility & contrast

On white

15.35

#311359 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#311359 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311359

15.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311359	#FFFFFF	#000000	##FFFFFF
##311359	1.00	15.35	1.37	15.35
#FFFFFF	15.35	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255B

Deuteranopia (green-blind)

#002458

Tritanopia (blue-blind)

#272535

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #311359;
/* rgb */ color: rgb(49, 19, 89);
/* oklch */ color: oklch(27.8% 0.117 297.7);

Tailwind

colors: {
  custom: {
    50: '#6e5489',
    500: '#311359',
    950: '#000000',
  },
}

SCSS

$custom: #311359;
$custom-light: #6e5489;
$custom-dark: #000000;

JSON

{
  "hex": "#311359",
  "rgb": {
    "r": 49,
    "g": 19,
    "b": 89
  },
  "hsl": {
    "h": 265.714,
    "s": 64.815,
    "l": 21.176
  },
  "oklch": {
    "l": 0.27793,
    "c": 0.11731,
    "h": 297.7
  },
  "luminance": 0.0184
}

Semantic roles & 50–950 ramp

primary

#311359

secondary

#6A9137

accent

#E840A0

background

#F6F4F8

surface

#ECE8F0

border

#C7C4CB

text

#07030B

muted

#7A787C

Preview Lab

Preview with #311359

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

Preview Lab → · Contrast checker → · Palette generator →