#A63323#A63323

#A63323 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.1% C 0.154 H 31.0°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#A63323
RGB	rgb(166, 51, 35)
HSL	hsl(7, 65%, 39%)
HSV	hsv(7, 79%, 65%)
CMYK	cmyk(0%, 69.3%, 78.9%, 34.9%)
CIE-LAB	lab(38.90, 46.28, 36.12)
CIE-LCH	lch(38.90, 58.70, 37.97°)
OKLab	oklab(49.09% 0.1317 0.0791)
OKLCH	oklch(49.09% 0.154 31)
XYZ	xyz(17.2151, 10.5986, 2.7290)
Luminance	0.1060 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63323 #2396A6

analogous

#A62355 #A63323 #A67523

triadic

#A63323 #23A633 #3323A6

tetradic

#A63323 #55A623 #2396A6 #7523A6

square

#A63323 #55A623 #2396A6 #7523A6

split-complementary

#A63323 #23A675 #2355A6

monochromatic

#41140E #732318 #A63323 #D44632 #DF7465

Accessibility & contrast

On white

6.73

#A63323 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#A63323 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63323

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63323	#FFFFFF	#000000	##FFFFFF
##A63323	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544C20

Deuteranopia (green-blind)

#71651E

Tritanopia (blue-blind)

#B70B30

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a63323;
/* rgb */ color: rgb(166, 51, 35);
/* oklch */ color: oklch(49.1% 0.154 31.0);

Tailwind

colors: {
  custom: {
    50: '#c9725f',
    500: '#a63323',
    950: '#000000',
  },
}

SCSS

$custom: #a63323;
$custom-light: #c9725f;
$custom-dark: #000000;

JSON

{
  "hex": "#a63323",
  "rgb": {
    "r": 166,
    "g": 51,
    "b": 35
  },
  "hsl": {
    "h": 7.328,
    "s": 65.174,
    "l": 39.412
  },
  "oklch": {
    "l": 0.49094,
    "c": 0.15363,
    "h": 31
  },
  "luminance": 0.10596
}

Semantic roles & 50–950 ramp

primary

#A63323

secondary

#61B8C4

accent

#D4E840

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A63323

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

Preview Lab → · Contrast checker → · Palette generator →