#42070D#42070D

#42070D is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.8% C 0.088 H 21.5°. Best body text is #FFFFFF at 16.56:1 contrast (WCAG AA passes).

Color values

HEX	#42070D
RGB	rgb(66, 7, 13)
HSL	hsl(354, 81%, 14%)
HSV	hsv(354, 89%, 26%)
CMYK	cmyk(0%, 89.4%, 80.3%, 74.1%)
CIE-LAB	lab(11.55, 27.85, 12.57)
CIE-LCH	lch(11.55, 30.56, 24.30°)
OKLab	oklab(24.83% 0.0817 0.0321)
OKLCH	oklch(24.83% 0.088 21.5)
XYZ	xyz(2.3957, 1.3396, 0.5131)
Luminance	0.0134 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42070D #07423C

analogous

#42072B #42070D #421F07

triadic

#42070D #0D4207 #070D42

tetradic

#42070D #2B4207 #07423C #1F0742

square

#42070D #2B4207 #07423C #1F0742

split-complementary

#42070D #07421F #072B42

monochromatic

#1C0305 #1C0305 #42070D #790D18 #B11323

Accessibility & contrast

On white

16.56

#42070D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#42070D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42070D

16.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42070D	#FFFFFF	#000000	##FFFFFF
##42070D	1.00	16.56	1.27	16.56
#FFFFFF	16.56	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19170D

Deuteranopia (green-blind)

#28230B

Tritanopia (blue-blind)

#49000A

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #42070d;
/* rgb */ color: rgb(66, 7, 13);
/* oklch */ color: oklch(24.8% 0.088 21.5);

Tailwind

colors: {
  custom: {
    50: '#7c4d4c',
    500: '#42070d',
    950: '#000000',
  },
}

SCSS

$custom: #42070d;
$custom-light: #7c4d4c;
$custom-dark: #000000;

JSON

{
  "hex": "#42070d",
  "rgb": {
    "r": 66,
    "g": 7,
    "b": 13
  },
  "hsl": {
    "h": 353.898,
    "s": 80.822,
    "l": 14.314
  },
  "oklch": {
    "l": 0.24834,
    "c": 0.08782,
    "h": 21.5
  },
  "luminance": 0.01339
}

Semantic roles & 50–950 ramp

primary

#42070D

secondary

#248178

accent

#F7E331

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #42070D

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

Preview Lab → · Contrast checker → · Palette generator →