#A42A23#A42A23

#A42A23 is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.8% C 0.160 H 28.1°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#A42A23
RGB	rgb(164, 42, 35)
HSL	hsl(3, 65%, 39%)
HSV	hsv(3, 79%, 64%)
CMYK	cmyk(0%, 74.4%, 78.7%, 35.7%)
CIE-LAB	lab(37.25, 49.09, 34.28)
CIE-LCH	lch(37.25, 59.87, 34.93°)
OKLab	oklab(47.79% 0.1407 0.0753)
OKLCH	oklch(47.79% 0.16 28.1)
XYZ	xyz(16.4431, 9.6723, 2.5909)
Luminance	0.0967 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42A23 #239DA4

analogous

#A4235D #A42A23 #A46B23

triadic

#A42A23 #23A42A #2A23A4

tetradic

#A42A23 #5DA423 #239DA4 #6B23A4

square

#A42A23 #5DA423 #239DA4 #6B23A4

split-complementary

#A42A23 #23A46B #235DA4

monochromatic

#3F100D #721D18 #A42A23 #D33A31 #DE6A64

Accessibility & contrast

On white

7.16

#A42A23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#A42A23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42A23

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42A23	#FFFFFF	#000000	##FFFFFF
##A42A23	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4721

Deuteranopia (green-blind)

#6D611E

Tritanopia (blue-blind)

#B5002A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a42a23;
/* rgb */ color: rgb(164, 42, 35);
/* oklch */ color: oklch(47.8% 0.160 28.1);

Tailwind

colors: {
  custom: {
    50: '#c86d5f',
    500: '#a42a23',
    950: '#000000',
  },
}

SCSS

$custom: #a42a23;
$custom-light: #c86d5f;
$custom-dark: #000000;

JSON

{
  "hex": "#a42a23",
  "rgb": {
    "r": 164,
    "g": 42,
    "b": 35
  },
  "hsl": {
    "h": 3.256,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47792,
    "c": 0.15959,
    "h": 28.1
  },
  "luminance": 0.0967
}

Semantic roles & 50–950 ramp

primary

#A42A23

secondary

#60BEC3

accent

#DFE840

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A42A23

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

Preview Lab → · Contrast checker → · Palette generator →