#AC3021#AC3021

#AC3021 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.8% C 0.163 H 30.5°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#AC3021
RGB	rgb(172, 48, 33)
HSL	hsl(6, 68%, 40%)
HSV	hsv(6, 81%, 67%)
CMYK	cmyk(0%, 72.1%, 80.8%, 32.5%)
CIE-LAB	lab(39.58, 49.41, 38.26)
CIE-LCH	lch(39.58, 62.50, 37.75°)
OKLab	oklab(49.8% 0.1405 0.0826)
OKLCH	oklch(49.8% 0.163 30.5)
XYZ	xyz(18.3469, 10.9972, 2.5952)
Luminance	0.1099 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3021 #219DAC

analogous

#AC2157 #AC3021 #AC7621

triadic

#AC3021 #21AC30 #3021AC

tetradic

#AC3021 #57AC21 #219DAC #7621AC

square

#AC3021 #57AC21 #219DAC #7621AC

split-complementary

#AC3021 #21AC76 #2157AC

monochromatic

#45130D #792217 #AC3021 #D84432 #E27366

Accessibility & contrast

On white

6.56

#AC3021 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#AC3021 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3021

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3021	#FFFFFF	#000000	##FFFFFF
##AC3021	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C1E

Deuteranopia (green-blind)

#74671B

Tritanopia (blue-blind)

#BE002E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #ac3021;
/* rgb */ color: rgb(172, 48, 33);
/* oklch */ color: oklch(49.8% 0.163 30.5);

Tailwind

colors: {
  custom: {
    50: '#ce715e',
    500: '#ac3021',
    950: '#000000',
  },
}

SCSS

$custom: #ac3021;
$custom-light: #ce715e;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3021",
  "rgb": {
    "r": 172,
    "g": 48,
    "b": 33
  },
  "hsl": {
    "h": 6.475,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.49804,
    "c": 0.16295,
    "h": 30.5
  },
  "luminance": 0.10994
}

Semantic roles & 50–950 ramp

primary

#AC3021

secondary

#62BCC7

accent

#D8EB3D

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC3021

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

Preview Lab → · Contrast checker → · Palette generator →