#A42528#A42528

#A42528 is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.4% C 0.163 H 25.0°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#A42528
RGB	rgb(164, 37, 40)
HSL	hsl(359, 63%, 39%)
HSV	hsv(359, 77%, 64%)
CMYK	cmyk(0%, 77.4%, 75.6%, 35.7%)
CIE-LAB	lab(36.69, 51.00, 30.74)
CIE-LCH	lch(36.69, 59.55, 31.08°)
OKLab	oklab(47.4% 0.1479 0.0689)
OKLCH	oklch(47.4% 0.163 25)
XYZ	xyz(16.3563, 9.3714, 2.9547)
Luminance	0.0937 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42528 #25A4A1

analogous

#A42567 #A42528 #A46225

triadic

#A42528 #28A425 #2528A4

tetradic

#A42528 #67A425 #25A4A1 #6225A4

square

#A42528 #67A425 #25A4A1 #6225A4

split-complementary

#A42528 #25A462 #2567A4

monochromatic

#400E10 #721A1C #A42528 #D13539 #DD676A

Accessibility & contrast

On white

7.31

#A42528 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#A42528 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42528

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42528	#FFFFFF	#000000	##FFFFFF
##A42528	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4527

Deuteranopia (green-blind)

#6B6023

Tritanopia (blue-blind)

#B50028

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a42528;
/* rgb */ color: rgb(164, 37, 40);
/* oklch */ color: oklch(47.4% 0.163 25.0);

Tailwind

colors: {
  custom: {
    50: '#c76b62',
    500: '#a42528',
    950: '#000000',
  },
}

SCSS

$custom: #a42528;
$custom-light: #c76b62;
$custom-dark: #000000;

JSON

{
  "hex": "#a42528",
  "rgb": {
    "r": 164,
    "g": 37,
    "b": 40
  },
  "hsl": {
    "h": 358.583,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47395,
    "c": 0.16313,
    "h": 25
  },
  "luminance": 0.09369
}

Semantic roles & 50–950 ramp

primary

#A42528

secondary

#62C2C0

accent

#E6E242

background

#FDF6F5

surface

#FAECEA

border

#D3C7C6

text

#150705

muted

#837A79

Preview Lab

Preview with #A42528

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

Preview Lab → · Contrast checker → · Palette generator →