#A42F2B#A42F2B

#A42F2B is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.4% C 0.154 H 26.6°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#A42F2B
RGB	rgb(164, 47, 43)
HSL	hsl(2, 58%, 41%)
HSV	hsv(2, 74%, 64%)
CMYK	cmyk(0%, 71.3%, 73.8%, 35.7%)
CIE-LAB	lab(38.03, 47.54, 30.46)
CIE-LCH	lch(38.03, 56.46, 32.65°)
OKLab	oklab(48.4% 0.1376 0.069)
OKLCH	oklch(48.4% 0.154 26.6)
XYZ	xyz(16.7643, 10.1025, 3.3523)
Luminance	0.1010 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42F2B #2BA0A4

analogous

#A42B64 #A42F2B #A46B2B

triadic

#A42F2B #2BA42F #2F2BA4

tetradic

#A42F2B #64A42B #2BA0A4 #6B2BA4

square

#A42F2B #64A42B #2BA0A4 #6B2BA4

split-complementary

#A42F2B #2BA46B #2B64A4

monochromatic

#431312 #74211E #A42F2B #CD443F #D97370

Accessibility & contrast

On white

6.95

#A42F2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#A42F2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A42F2B

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42F2B	#FFFFFF	#000000	##FFFFFF
##A42F2B	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514929

Deuteranopia (green-blind)

#6E6327

Tritanopia (blue-blind)

#B5032F

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a42f2b;
/* rgb */ color: rgb(164, 47, 43);
/* oklch */ color: oklch(48.4% 0.154 26.6);

Tailwind

colors: {
  custom: {
    50: '#c77065',
    500: '#a42f2b',
    950: '#000000',
  },
}

SCSS

$custom: #a42f2b;
$custom-light: #c77065;
$custom-dark: #000000;

JSON

{
  "hex": "#a42f2b",
  "rgb": {
    "r": 164,
    "g": 47,
    "b": 43
  },
  "hsl": {
    "h": 1.983,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.48403,
    "c": 0.1539,
    "h": 26.6
  },
  "luminance": 0.101
}

Semantic roles & 50–950 ramp

primary

#A42F2B

secondary

#6ABEC1

accent

#DDE246

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140805

muted

#837B7A

Preview Lab

Preview with #A42F2B

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

Preview Lab → · Contrast checker → · Palette generator →