#AC2823#AC2823

#AC2823 is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.1% C 0.169 H 27.7°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#AC2823
RGB	rgb(172, 40, 35)
HSL	hsl(2, 66%, 41%)
HSV	hsv(2, 80%, 67%)
CMYK	cmyk(0%, 76.7%, 79.7%, 32.5%)
CIE-LAB	lab(38.57, 52.32, 36.15)
CIE-LCH	lch(38.57, 63.59, 34.64°)
OKLab	oklab(49.06% 0.15 0.0787)
OKLCH	oklch(49.06% 0.169 27.7)
XYZ	xyz(18.0776, 10.4125, 2.6477)
Luminance	0.1041 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2823 #23A7AC

analogous

#AC2362 #AC2823 #AC6C23

triadic

#AC2823 #23AC28 #2823AC

tetradic

#AC2823 #62AC23 #23A7AC #6C23AC

square

#AC2823 #62AC23 #23A7AC #6C23AC

split-complementary

#AC2823 #23AC6C #2362AC

monochromatic

#46100E #791C19 #AC2823 #D63C36 #E06D69

Accessibility & contrast

On white

6.81

#AC2823 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#AC2823 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2823

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2823	#FFFFFF	#000000	##FFFFFF
##AC2823	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514821

Deuteranopia (green-blind)

#71651D

Tritanopia (blue-blind)

#BE0029

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ac2823;
/* rgb */ color: rgb(172, 40, 35);
/* oklch */ color: oklch(49.1% 0.169 27.7);

Tailwind

colors: {
  custom: {
    50: '#ce6d5f',
    500: '#ac2823',
    950: '#000000',
  },
}

SCSS

$custom: #ac2823;
$custom-light: #ce6d5f;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2823",
  "rgb": {
    "r": 172,
    "g": 40,
    "b": 35
  },
  "hsl": {
    "h": 2.19,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49062,
    "c": 0.16933,
    "h": 27.7
  },
  "luminance": 0.1041
}

Semantic roles & 50–950 ramp

primary

#AC2823

secondary

#64C3C6

accent

#E3E93F

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC2823

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

Preview Lab → · Contrast checker → · Palette generator →