#A42B28#A42B28

#A42B28 is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.0% C 0.158 H 26.6°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#A42B28
RGB	rgb(164, 43, 40)
HSL	hsl(1, 61%, 40%)
HSV	hsv(1, 76%, 64%)
CMYK	cmyk(0%, 73.8%, 75.6%, 35.7%)
CIE-LAB	lab(37.44, 48.92, 31.58)
CIE-LCH	lch(37.44, 58.23, 32.84°)
OKLab	oklab(47.95% 0.1413 0.0707)
OKLCH	oklch(47.95% 0.158 26.6)
XYZ	xyz(16.5586, 9.7760, 3.0221)
Luminance	0.0977 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42B28 #28A1A4

analogous

#A42863 #A42B28 #A46928

triadic

#A42B28 #28A42B #2B28A4

tetradic

#A42B28 #63A428 #28A1A4 #6928A4

square

#A42B28 #63A428 #28A1A4 #6928A4

split-complementary

#A42B28 #28A469 #2863A4

monochromatic

#421110 #731E1C #A42B28 #CF3E3A #DB6E6B

Accessibility & contrast

On white

7.11

#A42B28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#A42B28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42B28

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42B28	#FFFFFF	#000000	##FFFFFF
##A42B28	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4726

Deuteranopia (green-blind)

#6D6223

Tritanopia (blue-blind)

#B5002C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a42b28;
/* rgb */ color: rgb(164, 43, 40);
/* oklch */ color: oklch(48.0% 0.158 26.6);

Tailwind

colors: {
  custom: {
    50: '#c76e62',
    500: '#a42b28',
    950: '#000000',
  },
}

SCSS

$custom: #a42b28;
$custom-light: #c76e62;
$custom-dark: #000000;

JSON

{
  "hex": "#a42b28",
  "rgb": {
    "r": 164,
    "g": 43,
    "b": 40
  },
  "hsl": {
    "h": 1.452,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.47952,
    "c": 0.158,
    "h": 26.6
  },
  "luminance": 0.09773
}

Semantic roles & 50–950 ramp

primary

#A42B28

secondary

#66BFC1

accent

#E0E444

background

#FDF6F5

surface

#FAECEA

border

#D3C7C6

text

#150805

muted

#837B79

Preview Lab

Preview with #A42B28

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

Preview Lab → · Contrast checker → · Palette generator →