#210028#210028

#210028 is a very dark, moderate purple. Relative luminance 0.005; OKLCH L 18.0% C 0.086 H 320.4°. Best body text is #FFFFFF at 19.17:1 contrast (WCAG AA passes).

Color values

HEX	#210028
RGB	rgb(33, 0, 40)
HSL	hsl(290, 100%, 8%)
HSV	hsv(290, 100%, 16%)
CMYK	cmyk(17.5%, 100%, 0%, 84.3%)
CIE-LAB	lab(4.31, 22.41, -18.16)
CIE-LCH	lch(4.31, 28.85, 320.98°)
OKLab	oklab(18% 0.0665 -0.0549)
OKLCH	oklch(18% 0.086 320.4)
XYZ	xyz(1.0102, 0.4766, 2.0459)
Luminance	0.0048 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210028 #072800

analogous

#0D0028 #210028 #28001B

triadic

#210028 #282100 #002821

tetradic

#210028 #280D00 #072800 #001B28

square

#210028 #280D00 #072800 #001B28

split-complementary

#210028 #1B2800 #00280D

monochromatic

#19001F #19001F #210028 #530065 #8600A2

Accessibility & contrast

On white

19.17

#210028 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#210028 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210028

19.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210028	#FFFFFF	#000000	##FFFFFF
##210028	1.00	19.17	1.10	19.17
#FFFFFF	19.17	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C29

Deuteranopia (green-blind)

#021027

Tritanopia (blue-blind)

#210613

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #210028;
/* rgb */ color: rgb(33, 0, 40);
/* oklch */ color: oklch(18.0% 0.086 320.4);

Tailwind

colors: {
  custom: {
    50: '#5d4662',
    500: '#210028',
    950: '#000000',
  },
}

SCSS

$custom: #210028;
$custom-light: #5d4662;
$custom-dark: #000000;

JSON

{
  "hex": "#210028",
  "rgb": {
    "r": 33,
    "g": 0,
    "b": 40
  },
  "hsl": {
    "h": 289.5,
    "s": 100,
    "l": 7.843
  },
  "oklch": {
    "l": 0.18004,
    "c": 0.08621,
    "h": 320.4
  },
  "luminance": 0.00477
}

Semantic roles & 50–950 ramp

primary

#210028

secondary

#247014

accent

#FF294E

background

#F5F3F5

surface

#E9E5EA

border

#C5C1C6

text

#040005

muted

#797779

Preview Lab

Preview with #210028

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

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