#AC453B#AC453B

#AC453B is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.7% C 0.137 H 28.2°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#AC453B
RGB	rgb(172, 69, 59)
HSL	hsl(5, 49%, 45%)
HSV	hsv(5, 66%, 67%)
CMYK	cmyk(0%, 59.9%, 65.7%, 32.5%)
CIE-LAB	lab(43.28, 41.55, 27.55)
CIE-LCH	lch(43.28, 49.85, 33.55°)
OKLab	oklab(52.69% 0.1211 0.0649)
OKLCH	oklch(52.69% 0.137 28.2)
XYZ	xyz(19.9327, 13.3453, 5.6631)
Luminance	0.1334 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC453B #3BA2AC

analogous

#AC3B69 #AC453B #AC7E3B

triadic

#AC453B #3BAC45 #453BAC

tetradic

#AC453B #69AC3B #3BA2AC #7E3BAC

square

#AC453B #69AC3B #3BA2AC #7E3BAC

split-complementary

#AC453B #3BAC7E #3B69AC

monochromatic

#51201C #7E332B #AC453B #C7665D #D7918A

Accessibility & contrast

On white

5.72

#AC453B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#AC453B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC453B

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC453B	#FFFFFF	#000000	##FFFFFF
##AC453B	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605839

Deuteranopia (green-blind)

#796F38

Tritanopia (blue-blind)

#BC3043

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #ac453b;
/* rgb */ color: rgb(172, 69, 59);
/* oklch */ color: oklch(52.7% 0.137 28.2);

Tailwind

colors: {
  custom: {
    50: '#cb7d71',
    500: '#ac453b',
    950: '#000000',
  },
}

SCSS

$custom: #ac453b;
$custom-light: #cb7d71;
$custom-dark: #000000;

JSON

{
  "hex": "#ac453b",
  "rgb": {
    "r": 172,
    "g": 69,
    "b": 59
  },
  "hsl": {
    "h": 5.31,
    "s": 48.918,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52689,
    "c": 0.1374,
    "h": 28.2
  },
  "luminance": 0.13343
}

Semantic roles & 50–950 ramp

primary

#AC453B

secondary

#81BCC1

accent

#CCD84F

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#140A07

muted

#837C7A

Preview Lab

Preview with #AC453B

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

Preview Lab → · Contrast checker → · Palette generator →