#A83B1C#A83B1C

#A83B1C is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.3% C 0.150 H 36.1°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#A83B1C
RGB	rgb(168, 59, 28)
HSL	hsl(13, 71%, 38%)
HSV	hsv(13, 83%, 66%)
CMYK	cmyk(0%, 64.9%, 83.3%, 34.1%)
CIE-LAB	lab(40.47, 43.30, 41.43)
CIE-LCH	lch(40.47, 59.93, 43.74°)
OKLab	oklab(50.33% 0.121 0.0883)
OKLCH	oklch(50.33% 0.15 36.1)
XYZ	xyz(17.9240, 11.5392, 2.3819)
Luminance	0.1154 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A83B1C #1C89A8

analogous

#A81C43 #A83B1C #A8811C

triadic

#A83B1C #1CA83B #3B1CA8

tetradic

#A83B1C #43A81C #1C89A8 #811CA8

square

#A83B1C #43A81C #1C89A8 #811CA8

split-complementary

#A83B1C #1CA881 #1C43A8

monochromatic

#3F160B #742913 #A83B1C #DB4E26 #E4795B

Accessibility & contrast

On white

6.35

#A83B1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#A83B1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A83B1C

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A83B1C	#FFFFFF	#000000	##FFFFFF
##A83B1C	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5017

Deuteranopia (green-blind)

#756817

Tritanopia (blue-blind)

#B91C35

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a83b1c;
/* rgb */ color: rgb(168, 59, 28);
/* oklch */ color: oklch(50.3% 0.150 36.1);

Tailwind

colors: {
  custom: {
    50: '#ca765b',
    500: '#a83b1c',
    950: '#000000',
  },
}

SCSS

$custom: #a83b1c;
$custom-light: #ca765b;
$custom-dark: #000000;

JSON

{
  "hex": "#a83b1c",
  "rgb": {
    "r": 168,
    "g": 59,
    "b": 28
  },
  "hsl": {
    "h": 13.286,
    "s": 71.429,
    "l": 38.431
  },
  "oklch": {
    "l": 0.50328,
    "c": 0.14976,
    "h": 36.1
  },
  "luminance": 0.11537
}

Semantic roles & 50–950 ramp

primary

#A83B1C

secondary

#58AFC7

accent

#C6EE3A

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A83B1C

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

Preview Lab → · Contrast checker → · Palette generator →