#A83031#A83031

#A83031 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.3% C 0.156 H 24.6°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#A83031
RGB	rgb(168, 48, 49)
HSL	hsl(360, 56%, 42%)
HSV	hsv(360, 71%, 66%)
CMYK	cmyk(0%, 71.4%, 70.8%, 34.1%)
CIE-LAB	lab(39.01, 48.76, 28.20)
CIE-LCH	lch(39.01, 56.33, 30.04°)
OKLab	oklab(49.3% 0.1422 0.065)
OKLCH	oklch(49.3% 0.156 24.6)
XYZ	xyz(17.7617, 10.6631, 4.0281)
Luminance	0.1066 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A83031 #30A8A7

analogous

#A8306D #A83031 #A86B30

triadic

#A83031 #31A830 #3031A8

tetradic

#A83031 #6DA830 #30A8A7 #6B30A8

square

#A83031 #6DA830 #30A8A7 #6B30A8

split-complementary

#A83031 #30A86B #306DA8

monochromatic

#491515 #782223 #A83031 #CB4A4B #D97A7A

Accessibility & contrast

On white

6.70

#A83031 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#A83031 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A83031

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A83031	#FFFFFF	#000000	##FFFFFF
##A83031	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)

#524B30

Deuteranopia (green-blind)

#70652D

Tritanopia (blue-blind)

#B90432

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a83031;
/* rgb */ color: rgb(168, 48, 49);
/* oklch */ color: oklch(49.3% 0.156 24.6);

Tailwind

colors: {
  custom: {
    50: '#c97169',
    500: '#a83031',
    950: '#000000',
  },
}

SCSS

$custom: #a83031;
$custom-light: #c97169;
$custom-dark: #000000;

JSON

{
  "hex": "#a83031",
  "rgb": {
    "r": 168,
    "g": 48,
    "b": 49
  },
  "hsl": {
    "h": 359.5,
    "s": 55.556,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49301,
    "c": 0.15638,
    "h": 24.6
  },
  "luminance": 0.1066
}

Semantic roles & 50–950 ramp

primary

#A83031

secondary

#73C1C1

accent

#DFDE49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #A83031

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

Preview Lab → · Contrast checker → · Palette generator →