#AC351E#AC351E

#AC351E is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.3% C 0.159 H 33.0°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#AC351E
RGB	rgb(172, 53, 30)
HSL	hsl(10, 70%, 40%)
HSV	hsv(10, 83%, 67%)
CMYK	cmyk(0%, 69.2%, 82.6%, 32.5%)
CIE-LAB	lab(40.27, 47.35, 40.51)
CIE-LCH	lch(40.27, 62.31, 40.55°)
OKLab	oklab(50.31% 0.1335 0.0865)
OKLCH	oklch(50.31% 0.159 33)
XYZ	xyz(18.5229, 11.4134, 2.4557)
Luminance	0.1141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC351E #1E95AC

analogous

#AC1E4E #AC351E #AC7C1E

triadic

#AC351E #1EAC35 #351EAC

tetradic

#AC351E #4EAC1E #1E95AC #7C1EAC

square

#AC351E #4EAC1E #1E95AC #7C1EAC

split-complementary

#AC351E #1EAC7C #1E4EAC

monochromatic

#44150C #782515 #AC351E #DA492D #E37661

Accessibility & contrast

On white

6.40

#AC351E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#AC351E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC351E

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC351E	#FFFFFF	#000000	##FFFFFF
##AC351E	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E1A

Deuteranopia (green-blind)

#756918

Tritanopia (blue-blind)

#BE0931

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ac351e;
/* rgb */ color: rgb(172, 53, 30);
/* oklch */ color: oklch(50.3% 0.159 33.0);

Tailwind

colors: {
  custom: {
    50: '#ce735c',
    500: '#ac351e',
    950: '#000000',
  },
}

SCSS

$custom: #ac351e;
$custom-light: #ce735c;
$custom-dark: #000000;

JSON

{
  "hex": "#ac351e",
  "rgb": {
    "r": 172,
    "g": 53,
    "b": 30
  },
  "hsl": {
    "h": 9.718,
    "s": 70.297,
    "l": 39.608
  },
  "oklch": {
    "l": 0.50314,
    "c": 0.15906,
    "h": 33
  },
  "luminance": 0.11411
}

Semantic roles & 50–950 ramp

primary

#AC351E

secondary

#5EB7C8

accent

#D0ED3B

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC351E

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

Preview Lab → · Contrast checker → · Palette generator →