#420507#420507

#420507 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.5% C 0.091 H 25.5°. Best body text is #FFFFFF at 16.71:1 contrast (WCAG AA passes).

Color values

HEX	#420507
RGB	rgb(66, 5, 7)
HSL	hsl(358, 86%, 14%)
HSV	hsv(358, 92%, 26%)
CMYK	cmyk(0%, 92.4%, 89.4%, 74.1%)
CIE-LAB	lab(11.15, 28.41, 14.58)
CIE-LCH	lch(11.15, 31.93, 27.16°)
OKLab	oklab(24.51% 0.0818 0.039)
OKLCH	oklch(24.51% 0.091 25.5)
XYZ	xyz(2.3397, 1.2825, 0.3253)
Luminance	0.0128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420507 #054240

analogous

#420526 #420507 #422205

triadic

#420507 #074205 #050742

tetradic

#420507 #264205 #054240 #220542

square

#420507 #264205 #054240 #220542

split-complementary

#420507 #054222 #052642

monochromatic

#1C0203 #1C0203 #420507 #7B090D #B40E13

Accessibility & contrast

On white

16.71

#420507 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#420507 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420507

16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420507	#FFFFFF	#000000	##FFFFFF
##420507	1.00	16.71	1.26	16.71
#FFFFFF	16.71	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191506

Deuteranopia (green-blind)

#282205

Tritanopia (blue-blind)

#4A0006

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #420507;
/* rgb */ color: rgb(66, 5, 7);
/* oklch */ color: oklch(24.5% 0.091 25.5);

Tailwind

colors: {
  custom: {
    50: '#7c4c49',
    500: '#420507',
    950: '#000000',
  },
}

SCSS

$custom: #420507;
$custom-light: #7c4c49;
$custom-dark: #000000;

JSON

{
  "hex": "#420507",
  "rgb": {
    "r": 66,
    "g": 5,
    "b": 7
  },
  "hsl": {
    "h": 358.033,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24509,
    "c": 0.09067,
    "h": 25.5
  },
  "luminance": 0.01282
}

Semantic roles & 50–950 ramp

primary

#420507

secondary

#20827F

accent

#FCF52C

background

#F8F4F4

surface

#EFE7E6

border

#CAC3C2

text

#0B0101

muted

#7C7777

Preview Lab

Preview with #420507

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

Preview Lab → · Contrast checker → · Palette generator →