#A42821#A42821

#A42821 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.6% C 0.162 H 28.3°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#A42821
RGB	rgb(164, 40, 33)
HSL	hsl(3, 66%, 39%)
HSV	hsv(3, 80%, 64%)
CMYK	cmyk(0%, 75.6%, 79.9%, 35.7%)
CIE-LAB	lab(36.97, 49.72, 35.13)
CIE-LCH	lch(36.97, 60.88, 35.24°)
OKLab	oklab(47.58% 0.1423 0.0765)
OKLCH	oklch(47.58% 0.162 28.3)
XYZ	xyz(16.3451, 9.5225, 2.4159)
Luminance	0.0952 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42821 #219DA4

analogous

#A4215B #A42821 #A46921

triadic

#A42821 #21A428 #2821A4

tetradic

#A42821 #5BA421 #219DA4 #6921A4

square

#A42821 #5BA421 #219DA4 #6921A4

split-complementary

#A42821 #21A469 #215BA4

monochromatic

#3E0F0C #711C17 #A42821 #D5362D #DF6760

Accessibility & contrast

On white

7.23

#A42821 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A42821 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42821

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42821	#FFFFFF	#000000	##FFFFFF
##A42821	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E461F

Deuteranopia (green-blind)

#6C611B

Tritanopia (blue-blind)

#B50028

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a42821;
/* rgb */ color: rgb(164, 40, 33);
/* oklch */ color: oklch(47.6% 0.162 28.3);

Tailwind

colors: {
  custom: {
    50: '#c86c5d',
    500: '#a42821',
    950: '#000000',
  },
}

SCSS

$custom: #a42821;
$custom-light: #c86c5d;
$custom-dark: #000000;

JSON

{
  "hex": "#a42821",
  "rgb": {
    "r": 164,
    "g": 40,
    "b": 33
  },
  "hsl": {
    "h": 3.206,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47579,
    "c": 0.16157,
    "h": 28.3
  },
  "luminance": 0.0952
}

Semantic roles & 50–950 ramp

primary

#A42821

secondary

#5DBEC4

accent

#E0E93E

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A42821

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

Preview Lab → · Contrast checker → · Palette generator →