#210108#210108

#210108 is a very dark, moderate red. Relative luminance 0.004; OKLCH L 16.1% C 0.060 H 9.3°. Best body text is #FFFFFF at 19.58:1 contrast (WCAG AA passes).

Color values

HEX	#210108
RGB	rgb(33, 1, 8)
HSL	hsl(347, 94%, 7%)
HSV	hsv(347, 97%, 13%)
CMYK	cmyk(0%, 97%, 75.8%, 87.1%)
CIE-LAB	lab(3.28, 13.82, 1.88)
CIE-LCH	lch(3.28, 13.94, 7.73°)
OKLab	oklab(16.14% 0.0596 0.0097)
OKLCH	oklch(16.14% 0.06 9.3)
XYZ	xyz(0.6820, 0.3627, 0.2638)
Luminance	0.0036 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210108 #01211A

analogous

#210118 #210108 #210A01

triadic

#210108 #082101 #010821

tetradic

#210108 #182101 #01211A #0A0121

square

#210108 #182101 #01211A #0A0121

split-complementary

#210108 #01210A #011821

monochromatic

#1E0107 #1E0107 #210108 #5C0316 #980525

Accessibility & contrast

On white

19.58

#210108 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#210108 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210108

19.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210108	#FFFFFF	#000000	##FFFFFF
##210108	1.00	19.58	1.07	19.58
#FFFFFF	19.58	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#070708

Deuteranopia (green-blind)

#100E07

Tritanopia (blue-blind)

#250003

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #210108;
/* rgb */ color: rgb(33, 1, 8);
/* oklch */ color: oklch(16.1% 0.060 9.3);

Tailwind

colors: {
  custom: {
    50: '#5c474a',
    500: '#210108',
    950: '#000000',
  },
}

SCSS

$custom: #210108;
$custom-light: #5c474a;
$custom-dark: #000000;

JSON

{
  "hex": "#210108",
  "rgb": {
    "r": 33,
    "g": 1,
    "b": 8
  },
  "hsl": {
    "h": 346.875,
    "s": 94.118,
    "l": 6.667
  },
  "oklch": {
    "l": 0.16144,
    "c": 0.0604,
    "h": 9.3
  },
  "luminance": 0.00363
}

Semantic roles & 50–950 ramp

primary

#210108

secondary

#156856

accent

#FFD029

background

#F5F3F4

surface

#E9E5E7

border

#C5C1C3

text

#040001

muted

#797777

Preview Lab

Preview with #210108

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

Preview Lab → · Contrast checker → · Palette generator →