#A33428#A33428

#A33428 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.7% C 0.149 H 29.6°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#A33428
RGB	rgb(163, 52, 40)
HSL	hsl(6, 61%, 40%)
HSV	hsv(6, 75%, 64%)
CMYK	cmyk(0%, 68.1%, 75.5%, 36.1%)
CIE-LAB	lab(38.55, 45.02, 32.76)
CIE-LCH	lch(38.55, 55.68, 36.04°)
OKLab	oklab(48.75% 0.1292 0.0734)
OKLCH	oklch(48.75% 0.149 29.6)
XYZ	xyz(16.7171, 10.3982, 3.1339)
Luminance	0.1040 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33428 #2897A3

analogous

#A32859 #A33428 #A37228

triadic

#A33428 #28A334 #3428A3

tetradic

#A33428 #59A328 #2897A3 #7228A3

square

#A33428 #59A328 #2897A3 #7228A3

split-complementary

#A33428 #28A372 #2859A3

monochromatic

#411510 #72241C #A33428 #CF483A #DB766B

Accessibility & contrast

On white

6.82

#A33428 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#A33428 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33428

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33428	#FFFFFF	#000000	##FFFFFF
##A33428	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534B26

Deuteranopia (green-blind)

#6F6424

Tritanopia (blue-blind)

#B31332

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a33428;
/* rgb */ color: rgb(163, 52, 40);
/* oklch */ color: oklch(48.7% 0.149 29.6);

Tailwind

colors: {
  custom: {
    50: '#c67263',
    500: '#a33428',
    950: '#000000',
  },
}

SCSS

$custom: #a33428;
$custom-light: #c67263;
$custom-dark: #000000;

JSON

{
  "hex": "#a33428",
  "rgb": {
    "r": 163,
    "g": 52,
    "b": 40
  },
  "hsl": {
    "h": 5.854,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.48747,
    "c": 0.14854,
    "h": 29.6
  },
  "luminance": 0.10396
}

Semantic roles & 50–950 ramp

primary

#A33428

secondary

#66B8C1

accent

#D4E444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140805

muted

#837B79

Preview Lab

Preview with #A33428

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

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