#AC402A#AC402A

#AC402A is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.8% C 0.146 H 33.3°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#AC402A
RGB	rgb(172, 64, 42)
HSL	hsl(10, 61%, 42%)
HSV	hsv(10, 76%, 67%)
CMYK	cmyk(0%, 62.8%, 75.6%, 32.5%)
CIE-LAB	lab(42.17, 43.00, 36.04)
CIE-LCH	lch(42.17, 56.11, 39.97°)
OKLab	oklab(51.78% 0.1223 0.0804)
OKLCH	oklch(51.78% 0.146 33.3)
XYZ	xyz(19.2666, 12.6073, 3.6090)
Luminance	0.1260 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC402A #2A96AC

analogous

#AC2A55 #AC402A #AC812A

triadic

#AC402A #2AAC40 #402AAC

tetradic

#AC402A #55AC2A #2A96AC #812AAC

square

#AC402A #55AC2A #2A96AC #812AAC

split-complementary

#AC402A #2AAC81 #2A55AC

monochromatic

#4A1B12 #7B2E1E #AC402A #D15A42 #DD8573

Accessibility & contrast

On white

5.96

#AC402A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#AC402A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC402A

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC402A	#FFFFFF	#000000	##FFFFFF
##AC402A	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)

#5E5527

Deuteranopia (green-blind)

#796C26

Tritanopia (blue-blind)

#BD253B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #ac402a;
/* rgb */ color: rgb(172, 64, 42);
/* oklch */ color: oklch(51.8% 0.146 33.3);

Tailwind

colors: {
  custom: {
    50: '#cc7965',
    500: '#ac402a',
    950: '#000000',
  },
}

SCSS

$custom: #ac402a;
$custom-light: #cc7965;
$custom-dark: #000000;

JSON

{
  "hex": "#ac402a",
  "rgb": {
    "r": 172,
    "g": 64,
    "b": 42
  },
  "hsl": {
    "h": 10.154,
    "s": 60.748,
    "l": 41.961
  },
  "oklch": {
    "l": 0.51778,
    "c": 0.14631,
    "h": 33.3
  },
  "luminance": 0.12605
}

Semantic roles & 50–950 ramp

primary

#AC402A

secondary

#6DB6C4

accent

#C9E444

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #AC402A

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

Preview Lab → · Contrast checker → · Palette generator →