#A42C23#A42C23

#A42C23 is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.0% C 0.158 H 28.7°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#A42C23
RGB	rgb(164, 44, 35)
HSL	hsl(4, 65%, 39%)
HSV	hsv(4, 79%, 64%)
CMYK	cmyk(0%, 73.2%, 78.7%, 35.7%)
CIE-LAB	lab(37.51, 48.35, 34.56)
CIE-LCH	lch(37.51, 59.43, 35.56°)
OKLab	oklab(47.99% 0.1384 0.0759)
OKLCH	oklch(47.99% 0.158 28.7)
XYZ	xyz(16.5158, 9.8178, 2.6152)
Luminance	0.0982 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42C23 #239BA4

analogous

#A4235B #A42C23 #A46D23

triadic

#A42C23 #23A42C #2C23A4

tetradic

#A42C23 #5BA423 #239BA4 #6D23A4

square

#A42C23 #5BA423 #239BA4 #6D23A4

split-complementary

#A42C23 #23A46D #235BA4

monochromatic

#3F110D #721E18 #A42C23 #D33C31 #DE6C64

Accessibility & contrast

On white

7.09

#A42C23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#A42C23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42C23

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42C23	#FFFFFF	#000000	##FFFFFF
##A42C23	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504821

Deuteranopia (green-blind)

#6D621E

Tritanopia (blue-blind)

#B5002B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a42c23;
/* rgb */ color: rgb(164, 44, 35);
/* oklch */ color: oklch(48.0% 0.158 28.7);

Tailwind

colors: {
  custom: {
    50: '#c76e5f',
    500: '#a42c23',
    950: '#000000',
  },
}

SCSS

$custom: #a42c23;
$custom-light: #c76e5f;
$custom-dark: #000000;

JSON

{
  "hex": "#a42c23",
  "rgb": {
    "r": 164,
    "g": 44,
    "b": 35
  },
  "hsl": {
    "h": 4.186,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.4799,
    "c": 0.15785,
    "h": 28.7
  },
  "luminance": 0.09815
}

Semantic roles & 50–950 ramp

primary

#A42C23

secondary

#60BCC3

accent

#DCE840

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A42C23

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

Preview Lab → · Contrast checker → · Palette generator →