#A83021#A83021

#A83021 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.1% C 0.159 H 30.6°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#A83021
RGB	rgb(168, 48, 33)
HSL	hsl(7, 67%, 39%)
HSV	hsv(7, 80%, 66%)
CMYK	cmyk(0%, 71.4%, 80.4%, 34.1%)
CIE-LAB	lab(38.81, 48.08, 37.25)
CIE-LCH	lch(38.81, 60.82, 37.77°)
OKLab	oklab(49.1% 0.1367 0.0808)
OKLCH	oklch(49.1% 0.159 30.6)
XYZ	xyz(17.4820, 10.5512, 2.5546)
Luminance	0.1055 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A83021 #2199A8

analogous

#A82155 #A83021 #A87421

triadic

#A83021 #21A830 #3021A8

tetradic

#A83021 #55A821 #2199A8 #7421A8

square

#A83021 #55A821 #2199A8 #7421A8

split-complementary

#A83021 #21A874 #2155A8

monochromatic

#42130D #752117 #A83021 #D64230 #E07163

Accessibility & contrast

On white

6.75

#A83021 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#A83021 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A83021

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A83021	#FFFFFF	#000000	##FFFFFF
##A83021	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B1E

Deuteranopia (green-blind)

#71651C

Tritanopia (blue-blind)

#B9002E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a83021;
/* rgb */ color: rgb(168, 48, 33);
/* oklch */ color: oklch(49.1% 0.159 30.6);

Tailwind

colors: {
  custom: {
    50: '#cb705e',
    500: '#a83021',
    950: '#000000',
  },
}

SCSS

$custom: #a83021;
$custom-light: #cb705e;
$custom-dark: #000000;

JSON

{
  "hex": "#a83021",
  "rgb": {
    "r": 168,
    "g": 48,
    "b": 33
  },
  "hsl": {
    "h": 6.667,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.49095,
    "c": 0.1588,
    "h": 30.6
  },
  "luminance": 0.10549
}

Semantic roles & 50–950 ramp

primary

#A83021

secondary

#5FBAC5

accent

#D7EA3E

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A83021

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

Preview Lab → · Contrast checker → · Palette generator →