#A83A1B#A83A1B

#A83A1B is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.2% C 0.151 H 36.0°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#A83A1B
RGB	rgb(168, 58, 27)
HSL	hsl(13, 72%, 38%)
HSV	hsv(13, 84%, 66%)
CMYK	cmyk(0%, 65.5%, 83.9%, 34.1%)
CIE-LAB	lab(40.30, 43.72, 41.76)
CIE-LCH	lch(40.30, 60.46, 43.69°)
OKLab	oklab(50.19% 0.1221 0.0886)
OKLCH	oklch(50.19% 0.151 36)
XYZ	xyz(17.8614, 11.4327, 2.3029)
Luminance	0.1143 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A83A1B #1B89A8

analogous

#A81B43 #A83A1B #A8801B

triadic

#A83A1B #1BA83A #3A1BA8

tetradic

#A83A1B #43A81B #1B89A8 #801BA8

square

#A83A1B #43A81B #1B89A8 #801BA8

split-complementary

#A83A1B #1BA880 #1B43A8

monochromatic

#3F160A #732813 #A83A1B #DC4D24 #E47859

Accessibility & contrast

On white

6.39

#A83A1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#A83A1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A83A1B

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A83A1B	#FFFFFF	#000000	##FFFFFF
##A83A1B	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A4F16

Deuteranopia (green-blind)

#756816

Tritanopia (blue-blind)

#B91A34

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a83a1b;
/* rgb */ color: rgb(168, 58, 27);
/* oklch */ color: oklch(50.2% 0.151 36.0);

Tailwind

colors: {
  custom: {
    50: '#ca755a',
    500: '#a83a1b',
    950: '#000000',
  },
}

SCSS

$custom: #a83a1b;
$custom-light: #ca755a;
$custom-dark: #000000;

JSON

{
  "hex": "#a83a1b",
  "rgb": {
    "r": 168,
    "g": 58,
    "b": 27
  },
  "hsl": {
    "h": 13.191,
    "s": 72.308,
    "l": 38.235
  },
  "oklch": {
    "l": 0.50194,
    "c": 0.15088,
    "h": 36
  },
  "luminance": 0.1143
}

Semantic roles & 50–950 ramp

primary

#A83A1B

secondary

#57AFC8

accent

#C7EF39

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A83A1B

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

Preview Lab → · Contrast checker → · Palette generator →