#421D23#421D23

#421D23 is a dark, muted red. Relative luminance 0.022; OKLCH L 28.6% C 0.058 H 11.2°. Best body text is #FFFFFF at 14.67:1 contrast (WCAG AA passes).

Color values

HEX	#421D23
RGB	rgb(66, 29, 35)
HSL	hsl(350, 39%, 19%)
HSV	hsv(350, 56%, 26%)
CMYK	cmyk(0%, 56.1%, 47%, 74.1%)
CIE-LAB	lab(16.30, 18.62, 4.28)
CIE-LCH	lch(16.30, 19.10, 12.95°)
OKLab	oklab(28.57% 0.0564 0.0112)
OKLCH	oklch(28.57% 0.058 11.2)
XYZ	xyz(2.9897, 2.1586, 1.8490)
Luminance	0.0216 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421D23 #1D423C

analogous

#421D35 #421D23 #42291D

triadic

#421D23 #23421D #1D2342

tetradic

#421D23 #35421D #1D423C #291D42

square

#421D23 #35421D #1D423C #291D42

split-complementary

#421D23 #1D4229 #1D3542

monochromatic

#15090B #170A0C #421D23 #6D303A #974250

Accessibility & contrast

On white

14.67

#421D23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#421D23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421D23

14.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421D23	#FFFFFF	#000000	##FFFFFF
##421D23	1.00	14.67	1.43	14.67
#FFFFFF	14.67	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242423

Deuteranopia (green-blind)

#2D2B22

Tritanopia (blue-blind)

#48191F

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #421d23;
/* rgb */ color: rgb(66, 29, 35);
/* oklch */ color: oklch(28.6% 0.058 11.2);

Tailwind

colors: {
  custom: {
    50: '#785a5d',
    500: '#421d23',
    950: '#000000',
  },
}

SCSS

$custom: #421d23;
$custom-light: #785a5d;
$custom-dark: #000000;

JSON

{
  "hex": "#421d23",
  "rgb": {
    "r": 66,
    "g": 29,
    "b": 35
  },
  "hsl": {
    "h": 350.27,
    "s": 38.947,
    "l": 18.627
  },
  "oklch": {
    "l": 0.28565,
    "c": 0.05751,
    "h": 11.2
  },
  "luminance": 0.02158
}

Semantic roles & 50–950 ramp

primary

#421D23

secondary

#44776F

accent

#CFBC59

background

#F7F5F5

surface

#EDE9E9

border

#C8C5C5

text

#090404

muted

#7B7979

Preview Lab

Preview with #421D23

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

Preview Lab → · Contrast checker → · Palette generator →