#AC2C1F#AC2C1F

#AC2C1F is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.4% C 0.167 H 29.9°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#AC2C1F
RGB	rgb(172, 44, 31)
HSL	hsl(6, 69%, 40%)
HSV	hsv(6, 82%, 67%)
CMYK	cmyk(0%, 74.4%, 82%, 32.5%)
CIE-LAB	lab(39.03, 50.82, 38.80)
CIE-LCH	lch(39.03, 63.94, 37.36°)
OKLab	oklab(49.39% 0.1445 0.0831)
OKLCH	oklch(49.39% 0.167 29.9)
XYZ	xyz(18.1634, 10.6738, 2.3999)
Luminance	0.1067 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2C1F #1F9FAC

analogous

#AC1F58 #AC2C1F #AC731F

triadic

#AC2C1F #1FAC2C #2C1FAC

tetradic

#AC2C1F #58AC1F #1F9FAC #731FAC

square

#AC2C1F #58AC1F #1F9FAC #731FAC

split-complementary

#AC2C1F #1FAC73 #1F58AC

monochromatic

#44110C #781F16 #AC2C1F #D93E2F #E36E63

Accessibility & contrast

On white

6.70

#AC2C1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#AC2C1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2C1F

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2C1F	#FFFFFF	#000000	##FFFFFF
##AC2C1F	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A1C

Deuteranopia (green-blind)

#736619

Tritanopia (blue-blind)

#BE002A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ac2c1f;
/* rgb */ color: rgb(172, 44, 31);
/* oklch */ color: oklch(49.4% 0.167 29.9);

Tailwind

colors: {
  custom: {
    50: '#ce6f5c',
    500: '#ac2c1f',
    950: '#000000',
  },
}

SCSS

$custom: #ac2c1f;
$custom-light: #ce6f5c;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2c1f",
  "rgb": {
    "r": 172,
    "g": 44,
    "b": 31
  },
  "hsl": {
    "h": 5.532,
    "s": 69.458,
    "l": 39.804
  },
  "oklch": {
    "l": 0.49387,
    "c": 0.16665,
    "h": 29.9
  },
  "luminance": 0.10671
}

Semantic roles & 50–950 ramp

primary

#AC2C1F

secondary

#5FBEC8

accent

#DCEC3C

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC2C1F

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

Preview Lab → · Contrast checker → · Palette generator →