#A42921#A42921

#A42921 is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.7% C 0.161 H 28.5°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#A42921
RGB	rgb(164, 41, 33)
HSL	hsl(4, 66%, 39%)
HSV	hsv(4, 80%, 64%)
CMYK	cmyk(0%, 75%, 79.9%, 35.7%)
CIE-LAB	lab(37.10, 49.37, 35.26)
CIE-LCH	lch(37.10, 60.67, 35.53°)
OKLab	oklab(47.67% 0.1412 0.0768)
OKLCH	oklch(47.67% 0.161 28.5)
XYZ	xyz(16.3792, 9.5908, 2.4273)
Luminance	0.0959 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42921 #219CA4

analogous

#A4215A #A42921 #A46A21

triadic

#A42921 #21A429 #2921A4

tetradic

#A42921 #5AA421 #219CA4 #6A21A4

square

#A42921 #5AA421 #219CA4 #6A21A4

split-complementary

#A42921 #21A46A #215AA4

monochromatic

#3E100C #711C17 #A42921 #D5382D #DF6860

Accessibility & contrast

On white

7.20

#A42921 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#A42921 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42921

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42921	#FFFFFF	#000000	##FFFFFF
##A42921	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E461F

Deuteranopia (green-blind)

#6D611C

Tritanopia (blue-blind)

#B50029

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a42921;
/* rgb */ color: rgb(164, 41, 33);
/* oklch */ color: oklch(47.7% 0.161 28.5);

Tailwind

colors: {
  custom: {
    50: '#c86d5d',
    500: '#a42921',
    950: '#000000',
  },
}

SCSS

$custom: #a42921;
$custom-light: #c86d5d;
$custom-dark: #000000;

JSON

{
  "hex": "#a42921",
  "rgb": {
    "r": 164,
    "g": 41,
    "b": 33
  },
  "hsl": {
    "h": 3.664,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47673,
    "c": 0.16073,
    "h": 28.5
  },
  "luminance": 0.09588
}

Semantic roles & 50–950 ramp

primary

#A42921

secondary

#5DBEC4

accent

#DFE93E

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A42921

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

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