#210831#210831

#210831 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.3% C 0.079 H 308.9°. Best body text is #FFFFFF at 18.36:1 contrast (WCAG AA passes).

Color values

HEX	#210831
RGB	rgb(33, 8, 49)
HSL	hsl(277, 72%, 11%)
HSV	hsv(277, 84%, 19%)
CMYK	cmyk(32.7%, 83.7%, 0%, 80.8%)
CIE-LAB	lab(6.49, 21.64, -21.47)
CIE-LCH	lch(6.49, 30.49, 315.23°)
OKLab	oklab(20.28% 0.0496 -0.0613)
OKLCH	oklch(20.28% 0.079 308.9)
XYZ	xyz(1.2683, 0.7188, 2.9771)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210831 #183108

analogous

#0C0831 #210831 #31082C

triadic

#210831 #312108 #083121

tetradic

#210831 #310C08 #183108 #082C31

square

#210831 #310C08 #183108 #082C31

split-complementary

#210831 #2C3108 #08310C

monochromatic

#12041A #12041A #210831 #441166 #68199A

Accessibility & contrast

On white

18.36

#210831 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#210831 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210831

18.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210831	#FFFFFF	#000000	##FFFFFF
##210831	1.00	18.36	1.14	18.36
#FFFFFF	18.36	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001332

Deuteranopia (green-blind)

#021530

Tritanopia (blue-blind)

#1F111B

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #210831;
/* rgb */ color: rgb(33, 8, 49);
/* oklch */ color: oklch(20.3% 0.079 308.9);

Tailwind

colors: {
  custom: {
    50: '#5e4a69',
    500: '#210831',
    950: '#000000',
  },
}

SCSS

$custom: #210831;
$custom-light: #5e4a69;
$custom-dark: #000000;

JSON

{
  "hex": "#210831",
  "rgb": {
    "r": 33,
    "g": 8,
    "b": 49
  },
  "hsl": {
    "h": 276.585,
    "s": 71.93,
    "l": 11.176
  },
  "oklch": {
    "l": 0.20276,
    "c": 0.07886,
    "h": 308.9
  },
  "luminance": 0.00719
}

Semantic roles & 50–950 ramp

primary

#210831

secondary

#427025

accent

#EF3980

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#040106

muted

#79777A

Preview Lab

Preview with #210831

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

Preview Lab → · Contrast checker → · Palette generator →