#21043A#21043A

#21043A is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.5% C 0.097 H 303.2°. Best body text is #FFFFFF at 18.37:1 contrast (WCAG AA passes).

Color values

HEX	#21043A
RGB	rgb(33, 4, 58)
HSL	hsl(272, 87%, 12%)
HSV	hsv(272, 93%, 23%)
CMYK	cmyk(43.1%, 93.1%, 0%, 77.3%)
CIE-LAB	lab(6.46, 26.72, -28.11)
CIE-LCH	lch(6.46, 38.79, 313.55°)
OKLab	oklab(20.53% 0.0529 -0.0808)
OKLCH	oklch(20.53% 0.097 303.2)
XYZ	xyz(1.4342, 0.7157, 4.0647)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21043A #1D3A04

analogous

#06043A #21043A #3A0438

triadic

#21043A #3A2104 #043A21

tetradic

#21043A #3A0604 #1D3A04 #04383A

square

#21043A #3A0604 #1D3A04 #04383A

split-complementary

#21043A #383A04 #043A06

monochromatic

#10021D #10021D #21043A #420873 #620CAD

Accessibility & contrast

On white

18.37

#21043A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#21043A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21043A

18.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21043A	#FFFFFF	#000000	##FFFFFF
##21043A	1.00	18.37	1.14	18.37
#FFFFFF	18.37	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143B

Deuteranopia (green-blind)

#001439

Tritanopia (blue-blind)

#1C121F

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #21043a;
/* rgb */ color: rgb(33, 4, 58);
/* oklch */ color: oklch(20.5% 0.097 303.2);

Tailwind

colors: {
  custom: {
    50: '#604871',
    500: '#21043a',
    950: '#000000',
  },
}

SCSS

$custom: #21043a;
$custom-light: #604871;
$custom-dark: #000000;

JSON

{
  "hex": "#21043a",
  "rgb": {
    "r": 33,
    "g": 4,
    "b": 58
  },
  "hsl": {
    "h": 272.222,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.20525,
    "c": 0.09656,
    "h": 303.2
  },
  "luminance": 0.00716
}

Semantic roles & 50–950 ramp

primary

#21043A

secondary

#497C1E

accent

#FD2B8C

background

#F5F4F6

surface

#EAE6EC

border

#C6C2C7

text

#050007

muted

#79777A

Preview Lab

Preview with #21043A

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

Preview Lab → · Contrast checker → · Palette generator →