#21070C#21070C

#21070C is a very dark, muted red. Relative luminance 0.005; OKLCH L 17.7% C 0.046 H 10.7°. Best body text is #FFFFFF at 19.08:1 contrast (WCAG AA passes).

Color values

HEX	#21070C
RGB	rgb(33, 7, 12)
HSL	hsl(348, 65%, 8%)
HSV	hsv(348, 79%, 13%)
CMYK	cmyk(0%, 78.8%, 63.6%, 87.1%)
CIE-LAB	lab(4.53, 11.98, 2.04)
CIE-LCH	lch(4.53, 12.16, 9.64°)
OKLab	oklab(17.7% 0.0449 0.0084)
OKLCH	oklch(17.7% 0.046 10.7)
XYZ	xyz(0.7696, 0.5019, 0.4041)
Luminance	0.0050 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21070C #07211C

analogous

#210719 #21070C #210F07

triadic

#21070C #0C2107 #070C21

tetradic

#21070C #192107 #07211C #0F0721

square

#21070C #192107 #07211C #0F0721

split-complementary

#21070C #07210F #071921

monochromatic

#190509 #190509 #21070C #53121E #861C31

Accessibility & contrast

On white

19.08

#21070C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#21070C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21070C

19.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21070C	#FFFFFF	#000000	##FFFFFF
##21070C	1.00	19.08	1.10	19.08
#FFFFFF	19.08	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C0C0C

Deuteranopia (green-blind)

#13120B

Tritanopia (blue-blind)

#250409

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #21070c;
/* rgb */ color: rgb(33, 7, 12);
/* oklch */ color: oklch(17.7% 0.046 10.7);

Tailwind

colors: {
  custom: {
    50: '#5c494c',
    500: '#21070c',
    950: '#000000',
  },
}

SCSS

$custom: #21070c;
$custom-light: #5c494c;
$custom-dark: #000000;

JSON

{
  "hex": "#21070c",
  "rgb": {
    "r": 33,
    "g": 7,
    "b": 12
  },
  "hsl": {
    "h": 348.462,
    "s": 65,
    "l": 7.843
  },
  "oklch": {
    "l": 0.177,
    "c": 0.04564,
    "h": 10.7
  },
  "luminance": 0.00502
}

Semantic roles & 50–950 ramp

primary

#21070C

secondary

#246054

accent

#E8C840

background

#F5F4F4

surface

#E9E7E7

border

#C5C3C3

text

#040101

muted

#797777

Preview Lab

Preview with #21070C

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

Preview Lab → · Contrast checker → · Palette generator →