#A42F33#A42F33

#A42F33 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.5% C 0.153 H 23.2°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#A42F33
RGB	rgb(164, 47, 51)
HSL	hsl(358, 55%, 41%)
HSV	hsv(358, 71%, 64%)
CMYK	cmyk(0%, 71.3%, 68.9%, 35.7%)
CIE-LAB	lab(38.14, 47.94, 25.76)
CIE-LCH	lch(38.14, 54.42, 28.25°)
OKLab	oklab(48.53% 0.1406 0.0601)
OKLCH	oklch(48.53% 0.153 23.2)
XYZ	xyz(16.9257, 10.1670, 4.2025)
Luminance	0.1017 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42F33 #2FA4A0

analogous

#A42F6E #A42F33 #A4662F

triadic

#A42F33 #33A42F #2F33A4

tetradic

#A42F33 #6EA42F #2FA4A0 #662FA4

square

#A42F33 #6EA42F #2FA4A0 #662FA4

split-complementary

#A42F33 #2FA466 #2F6EA4

monochromatic

#451415 #742124 #A42F33 #CA464B #D87679

Accessibility & contrast

On white

6.92

#A42F33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#A42F33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A42F33

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42F33	#FFFFFF	#000000	##FFFFFF
##A42F33	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504A32

Deuteranopia (green-blind)

#6D632F

Tritanopia (blue-blind)

#B40732

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a42f33;
/* rgb */ color: rgb(164, 47, 51);
/* oklch */ color: oklch(48.5% 0.153 23.2);

Tailwind

colors: {
  custom: {
    50: '#c6706a',
    500: '#a42f33',
    950: '#000000',
  },
}

SCSS

$custom: #a42f33;
$custom-light: #c6706a;
$custom-dark: #000000;

JSON

{
  "hex": "#a42f33",
  "rgb": {
    "r": 164,
    "g": 47,
    "b": 51
  },
  "hsl": {
    "h": 357.949,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48526,
    "c": 0.15289,
    "h": 23.2
  },
  "luminance": 0.10165
}

Semantic roles & 50–950 ramp

primary

#A42F33

secondary

#6FC0BD

accent

#DFDA49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A42F33

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

Preview Lab → · Contrast checker → · Palette generator →