#21063B#21063B

#21063B is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.9% C 0.095 H 301.8°. Best body text is #FFFFFF at 18.20:1 contrast (WCAG AA passes).

Color values

HEX	#21063B
RGB	rgb(33, 6, 59)
HSL	hsl(271, 82%, 13%)
HSV	hsv(271, 90%, 23%)
CMYK	cmyk(44.1%, 89.8%, 0%, 76.9%)
CIE-LAB	lab(6.95, 25.98, -28.05)
CIE-LCH	lch(6.95, 38.23, 312.81°)
OKLab	oklab(20.94% 0.0498 -0.0803)
OKLCH	oklch(20.94% 0.095 301.8)
XYZ	xyz(1.4815, 0.7693, 4.2073)
Luminance	0.0077 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21063B #203B06

analogous

#07063B #21063B #3B063A

triadic

#21063B #3B2106 #063B21

tetradic

#21063B #3B0706 #203B06 #063A3B

square

#21063B #3B0706 #203B06 #063A3B

split-complementary

#21063B #3A3B06 #063B07

monochromatic

#10031C #10031C #21063B #400C73 #5F11AA

Accessibility & contrast

On white

18.20

#21063B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#21063B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21063B

18.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21063B	#FFFFFF	#000000	##FFFFFF
##21063B	1.00	18.20	1.15	18.20
#FFFFFF	18.20	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00153C

Deuteranopia (green-blind)

#00153A

Tritanopia (blue-blind)

#1B1420

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #21063b;
/* rgb */ color: rgb(33, 6, 59);
/* oklch */ color: oklch(20.9% 0.095 301.8);

Tailwind

colors: {
  custom: {
    50: '#604971',
    500: '#21063b',
    950: '#000000',
  },
}

SCSS

$custom: #21063b;
$custom-light: #604971;
$custom-dark: #000000;

JSON

{
  "hex": "#21063b",
  "rgb": {
    "r": 33,
    "g": 6,
    "b": 59
  },
  "hsl": {
    "h": 270.566,
    "s": 81.538,
    "l": 12.745
  },
  "oklch": {
    "l": 0.20936,
    "c": 0.09454,
    "h": 301.8
  },
  "luminance": 0.00769
}

Semantic roles & 50–950 ramp

primary

#21063B

secondary

#4E7B22

accent

#F83092

background

#F5F4F6

surface

#EAE7EC

border

#C6C3C7

text

#050108

muted

#79777B

Preview Lab

Preview with #21063B

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

Preview Lab → · Contrast checker → · Palette generator →