#21010A#21010A

#21010A is a very dark, moderate pink. Relative luminance 0.004; OKLCH L 16.2% C 0.061 H 5.3°. Best body text is #FFFFFF at 19.56:1 contrast (WCAG AA passes).

Color values

HEX	#21010A
RGB	rgb(33, 1, 10)
HSL	hsl(343, 94%, 7%)
HSV	hsv(343, 97%, 13%)
CMYK	cmyk(0%, 97%, 69.7%, 87.1%)
CIE-LAB	lab(3.32, 14.09, 1.12)
CIE-LCH	lch(3.32, 14.14, 4.54°)
OKLab	oklab(16.22% 0.0607 0.0056)
OKLCH	oklch(16.22% 0.061 5.3)
XYZ	xyz(0.6929, 0.3671, 0.3215)
Luminance	0.0037 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21010A #012118

analogous

#21011A #21010A #210801

triadic

#21010A #0A2101 #010A21

tetradic

#21010A #1A2101 #012118 #080121

square

#21010A #1A2101 #012118 #080121

split-complementary

#21010A #012108 #011A21

monochromatic

#1E0109 #1E0109 #21010A #5C031C #98052E

Accessibility & contrast

On white

19.56

#21010A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#21010A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21010A

19.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21010A	#FFFFFF	#000000	##FFFFFF
##21010A	1.00	19.56	1.07	19.56
#FFFFFF	19.56	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07080A

Deuteranopia (green-blind)

#100F09

Tritanopia (blue-blind)

#250004

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #21010a;
/* rgb */ color: rgb(33, 1, 10);
/* oklch */ color: oklch(16.2% 0.061 5.3);

Tailwind

colors: {
  custom: {
    50: '#5c474b',
    500: '#21010a',
    950: '#000000',
  },
}

SCSS

$custom: #21010a;
$custom-light: #5c474b;
$custom-dark: #000000;

JSON

{
  "hex": "#21010a",
  "rgb": {
    "r": 33,
    "g": 1,
    "b": 10
  },
  "hsl": {
    "h": 343.125,
    "s": 94.118,
    "l": 6.667
  },
  "oklch": {
    "l": 0.1622,
    "c": 0.06094,
    "h": 5.3
  },
  "luminance": 0.00367
}

Semantic roles & 50–950 ramp

primary

#21010A

secondary

#156851

accent

#FFC329

background

#F5F3F4

surface

#E9E5E7

border

#C5C1C3

text

#040001

muted

#797777

Preview Lab

Preview with #21010A

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

Preview Lab → · Contrast checker → · Palette generator →