#AD2823#AD2823

#AD2823 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.2% C 0.170 H 27.7°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#AD2823
RGB	rgb(173, 40, 35)
HSL	hsl(2, 66%, 41%)
HSV	hsv(2, 80%, 68%)
CMYK	cmyk(0%, 76.9%, 79.8%, 32.2%)
CIE-LAB	lab(38.77, 52.63, 36.41)
CIE-LCH	lch(38.77, 64.00, 34.68°)
OKLab	oklab(49.24% 0.1508 0.0792)
OKLCH	oklch(49.24% 0.17 27.7)
XYZ	xyz(18.2979, 10.5261, 2.6581)
Luminance	0.1052 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2823 #23A8AD

analogous

#AD2363 #AD2823 #AD6D23

triadic

#AD2823 #23AD28 #2823AD

tetradic

#AD2823 #63AD23 #23A8AD #6D23AD

square

#AD2823 #63AD23 #23A8AD #6D23AD

split-complementary

#AD2823 #23AD6D #2363AD

monochromatic

#47100E #7A1C19 #AD2823 #D63D37 #E16E6A

Accessibility & contrast

On white

6.76

#AD2823 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#AD2823 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2823

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2823	#FFFFFF	#000000	##FFFFFF
##AD2823	1.00	6.76	3.10	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514921

Deuteranopia (green-blind)

#72661D

Tritanopia (blue-blind)

#BF0029

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ad2823;
/* rgb */ color: rgb(173, 40, 35);
/* oklch */ color: oklch(49.2% 0.170 27.7);

Tailwind

colors: {
  custom: {
    50: '#cf6d5f',
    500: '#ad2823',
    950: '#000000',
  },
}

SCSS

$custom: #ad2823;
$custom-light: #cf6d5f;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2823",
  "rgb": {
    "r": 173,
    "g": 40,
    "b": 35
  },
  "hsl": {
    "h": 2.174,
    "s": 66.346,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49244,
    "c": 0.17032,
    "h": 27.7
  },
  "luminance": 0.10523
}

Semantic roles & 50–950 ramp

primary

#AD2823

secondary

#65C3C7

accent

#E3E93F

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #AD2823

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

Preview Lab → · Contrast checker → · Palette generator →