#AC402B#AC402B

#AC402B is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.8% C 0.146 H 33.0°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#AC402B
RGB	rgb(172, 64, 43)
HSL	hsl(10, 60%, 42%)
HSV	hsv(10, 75%, 67%)
CMYK	cmyk(0%, 62.8%, 75%, 32.5%)
CIE-LAB	lab(42.18, 43.05, 35.50)
CIE-LCH	lch(42.18, 55.79, 39.51°)
OKLab	oklab(51.79% 0.1226 0.0795)
OKLCH	oklch(51.79% 0.146 33)
XYZ	xyz(19.2848, 12.6146, 3.7044)
Luminance	0.1261 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC402B #2B97AC

analogous

#AC2B57 #AC402B #AC802B

triadic

#AC402B #2BAC40 #402BAC

tetradic

#AC402B #57AC2B #2B97AC #802BAC

square

#AC402B #57AC2B #2B97AC #802BAC

split-complementary

#AC402B #2BAC80 #2B57AC

monochromatic

#4A1C13 #7B2E1F #AC402B #D05B44 #DC8675

Accessibility & contrast

On white

5.96

#AC402B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#AC402B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC402B

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC402B	#FFFFFF	#000000	##FFFFFF
##AC402B	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5528

Deuteranopia (green-blind)

#796C27

Tritanopia (blue-blind)

#BD263C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #ac402b;
/* rgb */ color: rgb(172, 64, 43);
/* oklch */ color: oklch(51.8% 0.146 33.0);

Tailwind

colors: {
  custom: {
    50: '#cc7965',
    500: '#ac402b',
    950: '#000000',
  },
}

SCSS

$custom: #ac402b;
$custom-light: #cc7965;
$custom-dark: #000000;

JSON

{
  "hex": "#ac402b",
  "rgb": {
    "r": 172,
    "g": 64,
    "b": 43
  },
  "hsl": {
    "h": 9.767,
    "s": 60,
    "l": 42.157
  },
  "oklch": {
    "l": 0.5179,
    "c": 0.14609,
    "h": 33
  },
  "luminance": 0.12612
}

Semantic roles & 50–950 ramp

primary

#AC402B

secondary

#6FB6C4

accent

#C9E345

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AC402B

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

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