#A42D28#A42D28

#A42D28 is a mid, vivid red. Relative luminance 0.099; OKLCH L 48.2% C 0.156 H 27.2°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#A42D28
RGB	rgb(164, 45, 40)
HSL	hsl(2, 61%, 40%)
HSV	hsv(2, 76%, 64%)
CMYK	cmyk(0%, 72.6%, 75.6%, 35.7%)
CIE-LAB	lab(37.71, 48.17, 31.88)
CIE-LCH	lch(37.71, 57.77, 33.49°)
OKLab	oklab(48.15% 0.1389 0.0714)
OKLCH	oklch(48.15% 0.156 27.2)
XYZ	xyz(16.6331, 9.9250, 3.0470)
Luminance	0.0992 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42D28 #289FA4

analogous

#A42861 #A42D28 #A46B28

triadic

#A42D28 #28A42D #2D28A4

tetradic

#A42D28 #61A428 #289FA4 #6B28A4

square

#A42D28 #61A428 #289FA4 #6B28A4

split-complementary

#A42D28 #28A46B #2861A4

monochromatic

#421210 #731F1C #A42D28 #CF403A #DB706B

Accessibility & contrast

On white

7.04

#A42D28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#A42D28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42D28

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42D28	#FFFFFF	#000000	##FFFFFF
##A42D28	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504826

Deuteranopia (green-blind)

#6D6224

Tritanopia (blue-blind)

#B5002D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a42d28;
/* rgb */ color: rgb(164, 45, 40);
/* oklch */ color: oklch(48.2% 0.156 27.2);

Tailwind

colors: {
  custom: {
    50: '#c76f62',
    500: '#a42d28',
    950: '#000000',
  },
}

SCSS

$custom: #a42d28;
$custom-light: #c76f62;
$custom-dark: #000000;

JSON

{
  "hex": "#a42d28",
  "rgb": {
    "r": 164,
    "g": 45,
    "b": 40
  },
  "hsl": {
    "h": 2.419,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.48153,
    "c": 0.1562,
    "h": 27.2
  },
  "luminance": 0.09922
}

Semantic roles & 50–950 ramp

primary

#A42D28

secondary

#66BEC1

accent

#DDE444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #A42D28

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

Preview Lab → · Contrast checker → · Palette generator →