#AC402D#AC402D

#AC402D is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.8% C 0.146 H 32.2°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#AC402D
RGB	rgb(172, 64, 45)
HSL	hsl(9, 59%, 43%)
HSV	hsv(9, 74%, 67%)
CMYK	cmyk(0%, 62.8%, 73.8%, 32.5%)
CIE-LAB	lab(42.20, 43.14, 34.40)
CIE-LCH	lch(42.20, 55.18, 38.57°)
OKLab	oklab(51.82% 0.1233 0.0775)
OKLCH	oklch(51.82% 0.146 32.2)
XYZ	xyz(19.3223, 12.6296, 3.9024)
Luminance	0.1263 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC402D #2D99AC

analogous

#AC2D5A #AC402D #AC7F2D

triadic

#AC402D #2DAC40 #402DAC

tetradic

#AC402D #5AAC2D #2D99AC #7F2DAC

square

#AC402D #5AAC2D #2D99AC #7F2DAC

split-complementary

#AC402D #2DAC7F #2D5AAC

monochromatic

#4B1C14 #7B2E20 #AC402D #CF5C47 #DC8778

Accessibility & contrast

On white

5.96

#AC402D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#AC402D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC402D

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC402D	#FFFFFF	#000000	##FFFFFF
##AC402D	1.00	5.96	3.53	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552A

Deuteranopia (green-blind)

#796C2A

Tritanopia (blue-blind)

#BD263C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #ac402d;
/* rgb */ color: rgb(172, 64, 45);
/* oklch */ color: oklch(51.8% 0.146 32.2);

Tailwind

colors: {
  custom: {
    50: '#cc7967',
    500: '#ac402d',
    950: '#000000',
  },
}

SCSS

$custom: #ac402d;
$custom-light: #cc7967;
$custom-dark: #000000;

JSON

{
  "hex": "#ac402d",
  "rgb": {
    "r": 172,
    "g": 64,
    "b": 45
  },
  "hsl": {
    "h": 8.976,
    "s": 58.525,
    "l": 42.549
  },
  "oklch": {
    "l": 0.51815,
    "c": 0.14563,
    "h": 32.2
  },
  "luminance": 0.12627
}

Semantic roles & 50–950 ramp

primary

#AC402D

secondary

#71B7C4

accent

#CAE246

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AC402D

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

Preview Lab → · Contrast checker → · Palette generator →