#A42721#A42721

#A42721 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.5% C 0.162 H 28.0°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#A42721
RGB	rgb(164, 39, 33)
HSL	hsl(3, 66%, 39%)
HSV	hsv(3, 80%, 64%)
CMYK	cmyk(0%, 76.2%, 79.9%, 35.7%)
CIE-LAB	lab(36.85, 50.07, 35.00)
CIE-LCH	lch(36.85, 61.09, 34.96°)
OKLab	oklab(47.49% 0.1434 0.0762)
OKLCH	oklch(47.49% 0.162 28)
XYZ	xyz(16.3118, 9.4559, 2.4048)
Luminance	0.0945 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42721 #219EA4

analogous

#A4215C #A42721 #A46821

triadic

#A42721 #21A427 #2721A4

tetradic

#A42721 #5CA421 #219EA4 #6821A4

square

#A42721 #5CA421 #219EA4 #6821A4

split-complementary

#A42721 #21A468 #215CA4

monochromatic

#3E0F0C #711B17 #A42721 #D5352D #DF6660

Accessibility & contrast

On white

7.26

#A42721 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A42721 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42721

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42721	#FFFFFF	#000000	##FFFFFF
##A42721	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D451F

Deuteranopia (green-blind)

#6C611B

Tritanopia (blue-blind)

#B50027

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a42721;
/* rgb */ color: rgb(164, 39, 33);
/* oklch */ color: oklch(47.5% 0.162 28.0);

Tailwind

colors: {
  custom: {
    50: '#c86c5d',
    500: '#a42721',
    950: '#000000',
  },
}

SCSS

$custom: #a42721;
$custom-light: #c86c5d;
$custom-dark: #000000;

JSON

{
  "hex": "#a42721",
  "rgb": {
    "r": 164,
    "g": 39,
    "b": 33
  },
  "hsl": {
    "h": 2.748,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47486,
    "c": 0.16239,
    "h": 28
  },
  "luminance": 0.09453
}

Semantic roles & 50–950 ramp

primary

#A42721

secondary

#5DBFC4

accent

#E2E93E

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A42721

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

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