#210102#210102

#210102 is a very dark, moderate red. Relative luminance 0.003; OKLCH L 15.9% C 0.060 H 24.5°. Best body text is #FFFFFF at 19.63:1 contrast (WCAG AA passes).

Color values

HEX	#210102
RGB	rgb(33, 1, 2)
HSL	hsl(358, 94%, 7%)
HSV	hsv(358, 97%, 13%)
CMYK	cmyk(0%, 97%, 93.9%, 87.1%)
CIE-LAB	lab(3.16, 12.98, 4.15)
CIE-LCH	lch(3.16, 13.63, 17.71°)
OKLab	oklab(15.91% 0.0548 0.025)
OKLCH	oklch(15.91% 0.06 24.5)
XYZ	xyz(0.6491, 0.3495, 0.0907)
Luminance	0.0035 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210102 #012120

analogous

#210112 #210102 #211001

triadic

#210102 #022101 #010221

tetradic

#210102 #122101 #012120 #100121

square

#210102 #122101 #012120 #100121

split-complementary

#210102 #012110 #011221

monochromatic

#1E0102 #1E0102 #210102 #5C0306 #980509

Accessibility & contrast

On white

19.63

#210102 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#210102 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210102

19.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210102	#FFFFFF	#000000	##FFFFFF
##210102	1.00	19.63	1.07	19.63
#FFFFFF	19.63	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#080702

Deuteranopia (green-blind)

#110E01

Tritanopia (blue-blind)

#260002

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #210102;
/* rgb */ color: rgb(33, 1, 2);
/* oklch */ color: oklch(15.9% 0.060 24.5);

Tailwind

colors: {
  custom: {
    50: '#5c4748',
    500: '#210102',
    950: '#000000',
  },
}

SCSS

$custom: #210102;
$custom-light: #5c4748;
$custom-dark: #000000;

JSON

{
  "hex": "#210102",
  "rgb": {
    "r": 33,
    "g": 1,
    "b": 2
  },
  "hsl": {
    "h": 358.125,
    "s": 94.118,
    "l": 6.667
  },
  "oklch": {
    "l": 0.15914,
    "c": 0.06028,
    "h": 24.5
  },
  "luminance": 0.00349
}

Semantic roles & 50–950 ramp

primary

#210102

secondary

#156866

accent

#FFF829

background

#F5F3F4

surface

#E9E5E6

border

#C5C1C2

text

#040000

muted

#797777

Preview Lab

Preview with #210102

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

Preview Lab → · Contrast checker → · Palette generator →