#AC403C#AC403C

#AC403C is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.0% C 0.143 H 25.4°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#AC403C
RGB	rgb(172, 64, 60)
HSL	hsl(2, 48%, 45%)
HSV	hsv(2, 65%, 67%)
CMYK	cmyk(0%, 62.8%, 65.1%, 32.5%)
CIE-LAB	lab(42.41, 43.96, 25.88)
CIE-LCH	lch(42.41, 51.01, 30.48°)
OKLab	oklab(52.04% 0.1288 0.0613)
OKLCH	oklch(52.04% 0.143 25.4)
XYZ	xyz(19.6642, 12.7663, 5.7028)
Luminance	0.1276 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC403C #3CA8AC

analogous

#AC3C70 #AC403C #AC783C

triadic

#AC403C #3CAC40 #403CAC

tetradic

#AC403C #70AC3C #3CA8AC #783CAC

square

#AC403C #70AC3C #3CA8AC #783CAC

split-complementary

#AC403C #3CAC78 #3C70AC

monochromatic

#511E1C #7F2F2C #AC403C #C7625E #D78E8C

Accessibility & contrast

On white

5.91

#AC403C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#AC403C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC403C

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC403C	#FFFFFF	#000000	##FFFFFF
##AC403C	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C563B

Deuteranopia (green-blind)

#776D39

Tritanopia (blue-blind)

#BD2940

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #ac403c;
/* rgb */ color: rgb(172, 64, 60);
/* oklch */ color: oklch(52.0% 0.143 25.4);

Tailwind

colors: {
  custom: {
    50: '#cb7a72',
    500: '#ac403c',
    950: '#000000',
  },
}

SCSS

$custom: #ac403c;
$custom-light: #cb7a72;
$custom-dark: #000000;

JSON

{
  "hex": "#ac403c",
  "rgb": {
    "r": 172,
    "g": 64,
    "b": 60
  },
  "hsl": {
    "h": 2.143,
    "s": 48.276,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52039,
    "c": 0.14268,
    "h": 25.4
  },
  "luminance": 0.12764
}

Semantic roles & 50–950 ramp

primary

#AC403C

secondary

#82BFC1

accent

#D3D850

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #AC403C

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

Preview Lab → · Contrast checker → · Palette generator →