#311870#311870

#311870 is a dark, vivid violet. Relative luminance 0.025; OKLCH L 30.7% C 0.140 H 288.2°. Best body text is #FFFFFF at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#311870
RGB	rgb(49, 24, 112)
HSL	hsl(257, 65%, 27%)
HSV	hsv(257, 79%, 44%)
CMYK	cmyk(56.3%, 78.6%, 0%, 56.1%)
CIE-LAB	lab(17.81, 35.38, -46.28)
CIE-LCH	lch(17.81, 58.26, 307.39°)
OKLab	oklab(30.73% 0.0437 -0.1331)
OKLCH	oklch(30.73% 0.14 288.2)
XYZ	xyz(4.5170, 2.4759, 15.5660)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311870 #577018

analogous

#182B70 #311870 #5D1870

triadic

#311870 #703118 #187031

tetradic

#311870 #70182B #577018 #18705D

square

#311870 #70182B #577018 #18705D

split-complementary

#311870 #705D18 #2B7018

monochromatic

#0B0519 #1B0D3E #311870 #4723A2 #5E30D3

Accessibility & contrast

On white

14.04

#311870 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#311870 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311870

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311870	#FFFFFF	#000000	##FFFFFF
##311870	1.00	14.04	1.50	14.04
#FFFFFF	14.04	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D73

Deuteranopia (green-blind)

#00296E

Tritanopia (blue-blind)

#183043

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #311870;
/* rgb */ color: rgb(49, 24, 112);
/* oklch */ color: oklch(30.7% 0.140 288.2);

Tailwind

colors: {
  custom: {
    50: '#71589a',
    500: '#311870',
    950: '#000000',
  },
}

SCSS

$custom: #311870;
$custom-light: #71589a;
$custom-dark: #000000;

JSON

{
  "hex": "#311870",
  "rgb": {
    "r": 49,
    "g": 24,
    "b": 112
  },
  "hsl": {
    "h": 257.045,
    "s": 64.706,
    "l": 26.667
  },
  "oklch": {
    "l": 0.30727,
    "c": 0.14009,
    "h": 288.2
  },
  "luminance": 0.02476
}

Semantic roles & 50–950 ramp

primary

#311870

secondary

#88A53E

accent

#E840B8

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08030E

muted

#7B787E

Preview Lab

Preview with #311870

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

Preview Lab → · Contrast checker → · Palette generator →