#A23721#A23721

#A23721 is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.9% C 0.146 H 33.4°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#A23721
RGB	rgb(162, 55, 33)
HSL	hsl(10, 66%, 38%)
HSV	hsv(10, 80%, 64%)
CMYK	cmyk(0%, 66%, 79.6%, 36.5%)
CIE-LAB	lab(38.77, 43.09, 36.84)
CIE-LCH	lch(38.77, 56.69, 40.54°)
OKLab	oklab(48.86% 0.1218 0.0804)
OKLCH	oklch(48.86% 0.146 33.4)
XYZ	xyz(16.5428, 10.5260, 2.5992)
Luminance	0.1052 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A23721 #218CA2

analogous

#A2214B #A23721 #A27821

triadic

#A23721 #21A237 #3721A2

tetradic

#A23721 #4BA221 #218CA2 #7821A2

square

#A23721 #4BA221 #218CA2 #7821A2

split-complementary

#A23721 #21A278 #214BA2

monochromatic

#3C140C #6F2617 #A23721 #D4492C #DE755F

Accessibility & contrast

On white

6.76

#A23721 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A23721 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A23721

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A23721	#FFFFFF	#000000	##FFFFFF
##A23721	1.00	6.76	3.10	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564C1E

Deuteranopia (green-blind)

#70641D

Tritanopia (blue-blind)

#B21933

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a23721;
/* rgb */ color: rgb(162, 55, 33);
/* oklch */ color: oklch(48.9% 0.146 33.4);

Tailwind

colors: {
  custom: {
    50: '#c6735e',
    500: '#a23721',
    950: '#000000',
  },
}

SCSS

$custom: #a23721;
$custom-light: #c6735e;
$custom-dark: #000000;

JSON

{
  "hex": "#a23721",
  "rgb": {
    "r": 162,
    "g": 55,
    "b": 33
  },
  "hsl": {
    "h": 10.233,
    "s": 66.154,
    "l": 38.235
  },
  "oklch": {
    "l": 0.48856,
    "c": 0.14596,
    "h": 33.4
  },
  "luminance": 0.10524
}

Semantic roles & 50–950 ramp

primary

#A23721

secondary

#5CB1C3

accent

#CCE93F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A23721

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

Preview Lab → · Contrast checker → · Palette generator →