#311771#311771

#311771 is a dark, vivid violet. Relative luminance 0.025; OKLCH L 30.7% C 0.142 H 288.1°. Best body text is #FFFFFF at 14.08:1 contrast (WCAG AA passes).

Color values

HEX	#311771
RGB	rgb(49, 23, 113)
HSL	hsl(257, 66%, 27%)
HSV	hsv(257, 80%, 44%)
CMYK	cmyk(56.6%, 79.6%, 0%, 55.7%)
CIE-LAB	lab(17.73, 36.21, -47.07)
CIE-LCH	lch(17.73, 59.39, 307.57°)
OKLab	oklab(30.7% 0.0442 -0.1354)
OKLCH	oklch(30.7% 0.142 288.1)
XYZ	xyz(4.5528, 2.4578, 15.8541)
Luminance	0.0246 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311771 #577117

analogous

#172A71 #311771 #5E1771

triadic

#311771 #713117 #177131

tetradic

#311771 #71172A #577117 #17715E

square

#311771 #71172A #577117 #17715E

split-complementary

#311771 #715E17 #2A7117

monochromatic

#0B0519 #1B0D3E #311771 #4721A4 #5E2ED4

Accessibility & contrast

On white

14.08

#311771 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#311771 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311771

14.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311771	#FFFFFF	#000000	##FFFFFF
##311771	1.00	14.08	1.49	14.08
#FFFFFF	14.08	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D74

Deuteranopia (green-blind)

#00296F

Tritanopia (blue-blind)

#173043

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #311771;
/* rgb */ color: rgb(49, 23, 113);
/* oklch */ color: oklch(30.7% 0.142 288.1);

Tailwind

colors: {
  custom: {
    50: '#71579b',
    500: '#311771',
    950: '#000000',
  },
}

SCSS

$custom: #311771;
$custom-light: #71579b;
$custom-dark: #000000;

JSON

{
  "hex": "#311771",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 113
  },
  "hsl": {
    "h": 257.333,
    "s": 66.176,
    "l": 26.667
  },
  "oklch": {
    "l": 0.307,
    "c": 0.14243,
    "h": 288.1
  },
  "luminance": 0.02458
}

Semantic roles & 50–950 ramp

primary

#311771

secondary

#88A73D

accent

#E93FB8

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08030E

muted

#7B787E

Preview Lab

Preview with #311771

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

Preview Lab → · Contrast checker → · Palette generator →