#AC2F21#AC2F21

#AC2F21 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.7% C 0.164 H 30.2°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#AC2F21
RGB	rgb(172, 47, 33)
HSL	hsl(6, 68%, 40%)
HSV	hsv(6, 81%, 67%)
CMYK	cmyk(0%, 72.7%, 80.8%, 32.5%)
CIE-LAB	lab(39.44, 49.79, 38.13)
CIE-LCH	lch(39.44, 62.71, 37.44°)
OKLab	oklab(49.7% 0.1416 0.0823)
OKLCH	oklch(49.7% 0.164 30.2)
XYZ	xyz(18.3064, 10.9163, 2.5817)
Luminance	0.1091 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2F21 #219EAC

analogous

#AC2159 #AC2F21 #AC7421

triadic

#AC2F21 #21AC2F #2F21AC

tetradic

#AC2F21 #59AC21 #219EAC #7421AC

square

#AC2F21 #59AC21 #219EAC #7421AC

split-complementary

#AC2F21 #21AC74 #2159AC

monochromatic

#45130D #792117 #AC2F21 #D84332 #E27266

Accessibility & contrast

On white

6.60

#AC2F21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#AC2F21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2F21

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2F21	#FFFFFF	#000000	##FFFFFF
##AC2F21	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B1E

Deuteranopia (green-blind)

#73671B

Tritanopia (blue-blind)

#BE002D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #ac2f21;
/* rgb */ color: rgb(172, 47, 33);
/* oklch */ color: oklch(49.7% 0.164 30.2);

Tailwind

colors: {
  custom: {
    50: '#ce705e',
    500: '#ac2f21',
    950: '#000000',
  },
}

SCSS

$custom: #ac2f21;
$custom-light: #ce705e;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2f21",
  "rgb": {
    "r": 172,
    "g": 47,
    "b": 33
  },
  "hsl": {
    "h": 6.043,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.49702,
    "c": 0.16381,
    "h": 30.2
  },
  "luminance": 0.10913
}

Semantic roles & 50–950 ramp

primary

#AC2F21

secondary

#62BDC7

accent

#D9EB3D

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC2F21

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

Preview Lab → · Contrast checker → · Palette generator →