#A83128#A83128

#A83128 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.3% C 0.157 H 28.5°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#A83128
RGB	rgb(168, 49, 40)
HSL	hsl(4, 62%, 41%)
HSV	hsv(4, 76%, 66%)
CMYK	cmyk(0%, 70.8%, 76.2%, 34.1%)
CIE-LAB	lab(39.03, 47.96, 33.55)
CIE-LCH	lch(39.03, 58.53, 34.98°)
OKLab	oklab(49.28% 0.1378 0.0748)
OKLCH	oklch(49.28% 0.157 28.5)
XYZ	xyz(17.6318, 10.6773, 3.1396)
Luminance	0.1067 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A83128 #289FA8

analogous

#A8285F #A83128 #A87128

triadic

#A83128 #28A831 #3128A8

tetradic

#A83128 #5FA828 #289FA8 #7128A8

square

#A83128 #5FA828 #289FA8 #7128A8

split-complementary

#A83128 #28A871 #285FA8

monochromatic

#451410 #77231C #A83128 #D1473D #DC766E

Accessibility & contrast

On white

6.70

#A83128 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A83128 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A83128

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A83128	#FFFFFF	#000000	##FFFFFF
##A83128	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B26

Deuteranopia (green-blind)

#716524

Tritanopia (blue-blind)

#B90330

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a83128;
/* rgb */ color: rgb(168, 49, 40);
/* oklch */ color: oklch(49.3% 0.157 28.5);

Tailwind

colors: {
  custom: {
    50: '#ca7163',
    500: '#a83128',
    950: '#000000',
  },
}

SCSS

$custom: #a83128;
$custom-light: #ca7163;
$custom-dark: #000000;

JSON

{
  "hex": "#a83128",
  "rgb": {
    "r": 168,
    "g": 49,
    "b": 40
  },
  "hsl": {
    "h": 4.219,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49282,
    "c": 0.15674,
    "h": 28.5
  },
  "luminance": 0.10675
}

Semantic roles & 50–950 ramp

primary

#A83128

secondary

#69BDC3

accent

#D9E543

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #A83128

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

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