#A82831#A82831

#A82831 is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.5% C 0.164 H 22.3°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#A82831
RGB	rgb(168, 40, 49)
HSL	hsl(356, 62%, 41%)
HSV	hsv(356, 76%, 66%)
CMYK	cmyk(0%, 76.2%, 70.8%, 34.1%)
CIE-LAB	lab(37.96, 51.66, 26.95)
CIE-LCH	lch(37.96, 58.26, 27.55°)
OKLab	oklab(48.52% 0.1514 0.0623)
OKLCH	oklch(48.52% 0.164 22.3)
XYZ	xyz(17.4636, 10.0668, 3.9287)
Luminance	0.1006 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A82831 #28A89F

analogous

#A82871 #A82831 #A85F28

triadic

#A82831 #31A828 #2831A8

tetradic

#A82831 #71A828 #28A89F #5F28A8

square

#A82831 #71A828 #28A89F #5F28A8

split-complementary

#A82831 #28A85F #2871A8

monochromatic

#451014 #771C23 #A82831 #D13D47 #DC6E76

Accessibility & contrast

On white

6.97

#A82831 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#A82831 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A82831

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A82831	#FFFFFF	#000000	##FFFFFF
##A82831	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4830

Deuteranopia (green-blind)

#6E632D

Tritanopia (blue-blind)

#B9002D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a82831;
/* rgb */ color: rgb(168, 40, 49);
/* oklch */ color: oklch(48.5% 0.164 22.3);

Tailwind

colors: {
  custom: {
    50: '#ca6d69',
    500: '#a82831',
    950: '#000000',
  },
}

SCSS

$custom: #a82831;
$custom-light: #ca6d69;
$custom-dark: #000000;

JSON

{
  "hex": "#a82831",
  "rgb": {
    "r": 168,
    "g": 40,
    "b": 49
  },
  "hsl": {
    "h": 355.781,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.48523,
    "c": 0.16373,
    "h": 22.3
  },
  "luminance": 0.10064
}

Semantic roles & 50–950 ramp

primary

#A82831

secondary

#69C3BD

accent

#E5D943

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #A82831

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

Preview Lab → · Contrast checker → · Palette generator →