#A63223#A63223

#A63223 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.0% C 0.155 H 30.6°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#A63223
RGB	rgb(166, 50, 35)
HSL	hsl(7, 65%, 39%)
HSV	hsv(7, 79%, 65%)
CMYK	cmyk(0%, 69.9%, 78.9%, 34.9%)
CIE-LAB	lab(38.75, 46.68, 35.96)
CIE-LCH	lch(38.75, 58.93, 37.61°)
OKLab	oklab(48.98% 0.133 0.0788)
OKLCH	oklch(48.98% 0.155 30.6)
XYZ	xyz(17.1718, 10.5121, 2.7146)
Luminance	0.1051 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63223 #2397A6

analogous

#A62356 #A63223 #A67423

triadic

#A63223 #23A632 #3223A6

tetradic

#A63223 #56A623 #2397A6 #7423A6

square

#A63223 #56A623 #2397A6 #7423A6

split-complementary

#A63223 #23A674 #2356A6

monochromatic

#41140E #732318 #A63223 #D44532 #DF7365

Accessibility & contrast

On white

6.77

#A63223 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A63223 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63223

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63223	#FFFFFF	#000000	##FFFFFF
##A63223	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B20

Deuteranopia (green-blind)

#71651E

Tritanopia (blue-blind)

#B7072F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a63223;
/* rgb */ color: rgb(166, 50, 35);
/* oklch */ color: oklch(49.0% 0.155 30.6);

Tailwind

colors: {
  custom: {
    50: '#c9715f',
    500: '#a63223',
    950: '#000000',
  },
}

SCSS

$custom: #a63223;
$custom-light: #c9715f;
$custom-dark: #000000;

JSON

{
  "hex": "#a63223",
  "rgb": {
    "r": 166,
    "g": 50,
    "b": 35
  },
  "hsl": {
    "h": 6.87,
    "s": 65.174,
    "l": 39.412
  },
  "oklch": {
    "l": 0.48982,
    "c": 0.15455,
    "h": 30.6
  },
  "luminance": 0.1051
}

Semantic roles & 50–950 ramp

primary

#A63223

secondary

#61B9C4

accent

#D5E840

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A63223

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

Preview Lab → · Contrast checker → · Palette generator →