#AC402F#AC402F

#AC402F is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.8% C 0.145 H 31.4°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#AC402F
RGB	rgb(172, 64, 47)
HSL	hsl(8, 57%, 43%)
HSV	hsv(8, 73%, 67%)
CMYK	cmyk(0%, 62.8%, 72.7%, 32.5%)
CIE-LAB	lab(42.22, 43.23, 33.30)
CIE-LCH	lch(42.22, 54.57, 37.60°)
OKLab	oklab(51.84% 0.124 0.0756)
OKLCH	oklch(51.84% 0.145 31.4)
XYZ	xyz(19.3618, 12.6454, 4.1100)
Luminance	0.1264 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC402F #2F9BAC

analogous

#AC2F5C #AC402F #AC7E2F

triadic

#AC402F #2FAC40 #402FAC

tetradic

#AC402F #5CAC2F #2F9BAC #7E2FAC

square

#AC402F #5CAC2F #2F9BAC #7E2FAC

split-complementary

#AC402F #2FAC7E #2F5CAC

monochromatic

#4C1C15 #7C2E22 #AC402F #CE5C4B #DB887B

Accessibility & contrast

On white

5.95

#AC402F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#AC402F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC402F

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC402F	#FFFFFF	#000000	##FFFFFF
##AC402F	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552D

Deuteranopia (green-blind)

#786C2C

Tritanopia (blue-blind)

#BD263D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #ac402f;
/* rgb */ color: rgb(172, 64, 47);
/* oklch */ color: oklch(51.8% 0.145 31.4);

Tailwind

colors: {
  custom: {
    50: '#cc7a68',
    500: '#ac402f',
    950: '#000000',
  },
}

SCSS

$custom: #ac402f;
$custom-light: #cc7a68;
$custom-dark: #000000;

JSON

{
  "hex": "#ac402f",
  "rgb": {
    "r": 172,
    "g": 64,
    "b": 47
  },
  "hsl": {
    "h": 8.16,
    "s": 57.078,
    "l": 42.941
  },
  "oklch": {
    "l": 0.51841,
    "c": 0.14519,
    "h": 31.4
  },
  "luminance": 0.12643
}

Semantic roles & 50–950 ramp

primary

#AC402F

secondary

#74B8C3

accent

#CCE047

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AC402F

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

Preview Lab → · Contrast checker → · Palette generator →