#A33323#A33323

#A33323 is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.6% C 0.150 H 31.1°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#A33323
RGB	rgb(163, 51, 35)
HSL	hsl(8, 65%, 39%)
HSV	hsv(8, 79%, 64%)
CMYK	cmyk(0%, 68.7%, 78.5%, 36.1%)
CIE-LAB	lab(38.34, 45.24, 35.36)
CIE-LCH	lch(38.34, 57.42, 38.02°)
OKLab	oklab(48.57% 0.1288 0.0777)
OKLCH	oklch(48.57% 0.15 31.1)
XYZ	xyz(16.5933, 10.2780, 2.6999)
Luminance	0.1028 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33323 #2393A3

analogous

#A32353 #A33323 #A37323

triadic

#A33323 #23A333 #3323A3

tetradic

#A33323 #53A323 #2393A3 #7323A3

square

#A33323 #53A323 #2393A3 #7323A3

split-complementary

#A33323 #23A373 #2353A3

monochromatic

#3E130D #712318 #A33323 #D34531 #DD7263

Accessibility & contrast

On white

6.87

#A33323 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#A33323 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33323

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33323	#FFFFFF	#000000	##FFFFFF
##A33323	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534B20

Deuteranopia (green-blind)

#6F631F

Tritanopia (blue-blind)

#B40E30

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a33323;
/* rgb */ color: rgb(163, 51, 35);
/* oklch */ color: oklch(48.6% 0.150 31.1);

Tailwind

colors: {
  custom: {
    50: '#c6715f',
    500: '#a33323',
    950: '#000000',
  },
}

SCSS

$custom: #a33323;
$custom-light: #c6715f;
$custom-dark: #000000;

JSON

{
  "hex": "#a33323",
  "rgb": {
    "r": 163,
    "g": 51,
    "b": 35
  },
  "hsl": {
    "h": 7.5,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.48571,
    "c": 0.15042,
    "h": 31.1
  },
  "luminance": 0.10276
}

Semantic roles & 50–950 ramp

primary

#A33323

secondary

#5FB6C3

accent

#D3E840

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A33323

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

Preview Lab → · Contrast checker → · Palette generator →