#42070A#42070A

#42070A is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.8% C 0.088 H 24.1°. Best body text is #FFFFFF at 16.58:1 contrast (WCAG AA passes).

Color values

HEX	#42070A
RGB	rgb(66, 7, 10)
HSL	hsl(357, 81%, 14%)
HSV	hsv(357, 89%, 26%)
CMYK	cmyk(0%, 89.4%, 84.8%, 74.1%)
CIE-LAB	lab(11.50, 27.70, 13.83)
CIE-LCH	lch(11.50, 30.96, 26.54°)
OKLab	oklab(24.78% 0.0804 0.036)
OKLCH	oklch(24.78% 0.088 24.1)
XYZ	xyz(2.3778, 1.3325, 0.4191)
Luminance	0.0133 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42070A #07423F

analogous

#420728 #42070A #422207

triadic

#42070A #0A4207 #070A42

tetradic

#42070A #284207 #07423F #220742

square

#42070A #284207 #07423F #220742

split-complementary

#42070A #074222 #072842

monochromatic

#1C0304 #1C0304 #42070A #790D12 #B1131B

Accessibility & contrast

On white

16.58

#42070A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#42070A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42070A

16.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42070A	#FFFFFF	#000000	##FFFFFF
##42070A	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)

#191609

Deuteranopia (green-blind)

#282308

Tritanopia (blue-blind)

#4A0009

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #42070a;
/* rgb */ color: rgb(66, 7, 10);
/* oklch */ color: oklch(24.8% 0.088 24.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42070a",
  "rgb": {
    "r": 66,
    "g": 7,
    "b": 10
  },
  "hsl": {
    "h": 356.949,
    "s": 80.822,
    "l": 14.314
  },
  "oklch": {
    "l": 0.24782,
    "c": 0.08811,
    "h": 24.1
  },
  "luminance": 0.01332
}

Semantic roles & 50–950 ramp

primary

#42070A

secondary

#24817C

accent

#F7ED31

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #42070A

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

Preview Lab → · Contrast checker → · Palette generator →