#A42628#A42628

#A42628 is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.5% C 0.162 H 25.2°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#A42628
RGB	rgb(164, 38, 40)
HSL	hsl(359, 62%, 40%)
HSV	hsv(359, 77%, 64%)
CMYK	cmyk(0%, 76.8%, 75.6%, 35.7%)
CIE-LAB	lab(36.81, 50.67, 30.88)
CIE-LCH	lch(36.81, 59.34, 31.36°)
OKLab	oklab(47.48% 0.1468 0.0692)
OKLCH	oklch(47.48% 0.162 25.2)
XYZ	xyz(16.3879, 9.4345, 2.9652)
Luminance	0.0943 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42628 #26A4A2

analogous

#A42667 #A42628 #A46326

triadic

#A42628 #28A426 #2628A4

tetradic

#A42628 #67A426 #26A4A2 #6326A4

square

#A42628 #67A426 #26A4A2 #6326A4

split-complementary

#A42628 #26A463 #2667A4

monochromatic

#410F10 #721A1C #A42628 #D13739 #DC686A

Accessibility & contrast

On white

7.28

#A42628 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A42628 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42628

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42628	#FFFFFF	#000000	##FFFFFF
##A42628	1.00	7.28	2.89	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4527

Deuteranopia (green-blind)

#6B6023

Tritanopia (blue-blind)

#B50028

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a42628;
/* rgb */ color: rgb(164, 38, 40);
/* oklch */ color: oklch(47.5% 0.162 25.2);

Tailwind

colors: {
  custom: {
    50: '#c76b62',
    500: '#a42628',
    950: '#000000',
  },
}

SCSS

$custom: #a42628;
$custom-light: #c76b62;
$custom-dark: #000000;

JSON

{
  "hex": "#a42628",
  "rgb": {
    "r": 164,
    "g": 38,
    "b": 40
  },
  "hsl": {
    "h": 359.048,
    "s": 62.376,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47482,
    "c": 0.16231,
    "h": 25.2
  },
  "luminance": 0.09432
}

Semantic roles & 50–950 ramp

primary

#A42628

secondary

#64C2C1

accent

#E5E342

background

#FDF6F5

surface

#FAECEA

border

#D3C7C6

text

#150705

muted

#837A79

Preview Lab

Preview with #A42628

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

Preview Lab → · Contrast checker → · Palette generator →