#A42F23#A42F23

#A42F23 is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.3% C 0.155 H 29.7°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#A42F23
RGB	rgb(164, 47, 35)
HSL	hsl(6, 65%, 39%)
HSV	hsv(6, 79%, 64%)
CMYK	cmyk(0%, 71.3%, 78.7%, 35.7%)
CIE-LAB	lab(37.93, 47.20, 35.00)
CIE-LCH	lch(37.93, 58.76, 36.55°)
OKLab	oklab(48.3% 0.1348 0.0768)
OKLCH	oklch(48.3% 0.155 29.7)
XYZ	xyz(16.6317, 10.0494, 2.6538)
Luminance	0.1005 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42F23 #2398A4

analogous

#A42358 #A42F23 #A47023

triadic

#A42F23 #23A42F #2F23A4

tetradic

#A42F23 #58A423 #2398A4 #7023A4

square

#A42F23 #58A423 #2398A4 #7023A4

split-complementary

#A42F23 #23A470 #2358A4

monochromatic

#3F120D #722118 #A42F23 #D34031 #DE6F64

Accessibility & contrast

On white

6.98

#A42F23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#A42F23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A42F23

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42F23	#FFFFFF	#000000	##FFFFFF
##A42F23	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514921

Deuteranopia (green-blind)

#6E631E

Tritanopia (blue-blind)

#B5002D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a42f23;
/* rgb */ color: rgb(164, 47, 35);
/* oklch */ color: oklch(48.3% 0.155 29.7);

Tailwind

colors: {
  custom: {
    50: '#c76f5f',
    500: '#a42f23',
    950: '#000000',
  },
}

SCSS

$custom: #a42f23;
$custom-light: #c76f5f;
$custom-dark: #000000;

JSON

{
  "hex": "#a42f23",
  "rgb": {
    "r": 164,
    "g": 47,
    "b": 35
  },
  "hsl": {
    "h": 5.581,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.48302,
    "c": 0.15517,
    "h": 29.7
  },
  "luminance": 0.10047
}

Semantic roles & 50–950 ramp

primary

#A42F23

secondary

#60BAC3

accent

#D8E840

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A42F23

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

Preview Lab → · Contrast checker → · Palette generator →