#A42621#A42621

#A42621 is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.4% C 0.163 H 27.7°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#A42621
RGB	rgb(164, 38, 33)
HSL	hsl(2, 66%, 39%)
HSV	hsv(2, 80%, 64%)
CMYK	cmyk(0%, 76.8%, 79.9%, 35.7%)
CIE-LAB	lab(36.73, 50.40, 34.88)
CIE-LCH	lch(36.73, 61.30, 34.68°)
OKLab	oklab(47.4% 0.1445 0.0759)
OKLCH	oklch(47.4% 0.163 27.7)
XYZ	xyz(16.2794, 9.3911, 2.3940)
Luminance	0.0939 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42621 #219FA4

analogous

#A4215D #A42621 #A46721

triadic

#A42621 #21A426 #2621A4

tetradic

#A42621 #5DA421 #219FA4 #6721A4

square

#A42621 #5DA421 #219FA4 #6721A4

split-complementary

#A42621 #21A467 #215DA4

monochromatic

#3E0E0C #711A17 #A42621 #D5342D #DF6560

Accessibility & contrast

On white

7.30

#A42621 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#A42621 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42621

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42621	#FFFFFF	#000000	##FFFFFF
##A42621	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D451F

Deuteranopia (green-blind)

#6C601B

Tritanopia (blue-blind)

#B50026

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a42621;
/* rgb */ color: rgb(164, 38, 33);
/* oklch */ color: oklch(47.4% 0.163 27.7);

Tailwind

colors: {
  custom: {
    50: '#c86b5d',
    500: '#a42621',
    950: '#000000',
  },
}

SCSS

$custom: #a42621;
$custom-light: #c86b5d;
$custom-dark: #000000;

JSON

{
  "hex": "#a42621",
  "rgb": {
    "r": 164,
    "g": 38,
    "b": 33
  },
  "hsl": {
    "h": 2.29,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47396,
    "c": 0.1632,
    "h": 27.7
  },
  "luminance": 0.09389
}

Semantic roles & 50–950 ramp

primary

#A42621

secondary

#5DC0C4

accent

#E3E93E

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A42621

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

Preview Lab → · Contrast checker → · Palette generator →