#42070B#42070B

#42070B is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.8% C 0.088 H 23.2°. Best body text is #FFFFFF at 16.58:1 contrast (WCAG AA passes).

Color values

HEX	#42070B
RGB	rgb(66, 7, 11)
HSL	hsl(356, 81%, 14%)
HSV	hsv(356, 89%, 26%)
CMYK	cmyk(0%, 89.4%, 83.3%, 74.1%)
CIE-LAB	lab(11.52, 27.75, 13.44)
CIE-LCH	lch(11.52, 30.83, 25.84°)
OKLab	oklab(24.8% 0.0809 0.0347)
OKLCH	oklch(24.8% 0.088 23.2)
XYZ	xyz(2.3834, 1.3347, 0.4487)
Luminance	0.0133 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42070B #07423E

analogous

#420729 #42070B #422107

triadic

#42070B #0B4207 #070B42

tetradic

#42070B #294207 #07423E #210742

square

#42070B #294207 #07423E #210742

split-complementary

#42070B #074221 #072942

monochromatic

#1C0305 #1C0305 #42070B #790D14 #B1131D

Accessibility & contrast

On white

16.58

#42070B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#42070B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42070B

16.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42070B	#FFFFFF	#000000	##FFFFFF
##42070B	1.00	16.58	1.27	16.58
#FFFFFF	16.58	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19160B

Deuteranopia (green-blind)

#282309

Tritanopia (blue-blind)

#4A0009

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #42070b;
/* rgb */ color: rgb(66, 7, 11);
/* oklch */ color: oklch(24.8% 0.088 23.2);

Tailwind

colors: {
  custom: {
    50: '#7c4d4b',
    500: '#42070b',
    950: '#000000',
  },
}

SCSS

$custom: #42070b;
$custom-light: #7c4d4b;
$custom-dark: #000000;

JSON

{
  "hex": "#42070b",
  "rgb": {
    "r": 66,
    "g": 7,
    "b": 11
  },
  "hsl": {
    "h": 355.932,
    "s": 80.822,
    "l": 14.314
  },
  "oklch": {
    "l": 0.24798,
    "c": 0.08801,
    "h": 23.2
  },
  "luminance": 0.01334
}

Semantic roles & 50–950 ramp

primary

#42070B

secondary

#24817B

accent

#F7EA31

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #42070B

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

Preview Lab → · Contrast checker → · Palette generator →