#A33628#A33628

#A33628 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.0% C 0.147 H 30.4°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#A33628
RGB	rgb(163, 54, 40)
HSL	hsl(7, 61%, 40%)
HSV	hsv(7, 75%, 64%)
CMYK	cmyk(0%, 66.9%, 75.5%, 36.1%)
CIE-LAB	lab(38.86, 44.16, 33.10)
CIE-LCH	lch(38.86, 55.19, 36.85°)
OKLab	oklab(48.99% 0.1265 0.0741)
OKLCH	oklch(48.99% 0.147 30.4)
XYZ	xyz(16.8083, 10.5805, 3.1643)
Luminance	0.1058 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33628 #2895A3

analogous

#A32858 #A33628 #A37328

triadic

#A33628 #28A336 #3628A3

tetradic

#A33628 #58A328 #2895A3 #7328A3

square

#A33628 #58A328 #2895A3 #7328A3

split-complementary

#A33628 #28A373 #2858A3

monochromatic

#411510 #72261C #A33628 #CF4B3A #DB786B

Accessibility & contrast

On white

6.74

#A33628 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#A33628 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33628

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33628	#FFFFFF	#000000	##FFFFFF
##A33628	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C26

Deuteranopia (green-blind)

#706424

Tritanopia (blue-blind)

#B31733

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a33628;
/* rgb */ color: rgb(163, 54, 40);
/* oklch */ color: oklch(49.0% 0.147 30.4);

Tailwind

colors: {
  custom: {
    50: '#c67363',
    500: '#a33628',
    950: '#000000',
  },
}

SCSS

$custom: #a33628;
$custom-light: #c67363;
$custom-dark: #000000;

JSON

{
  "hex": "#a33628",
  "rgb": {
    "r": 163,
    "g": 54,
    "b": 40
  },
  "hsl": {
    "h": 6.829,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.48985,
    "c": 0.14659,
    "h": 30.4
  },
  "luminance": 0.10578
}

Semantic roles & 50–950 ramp

primary

#A33628

secondary

#66B7C1

accent

#D2E444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140805

muted

#837B79

Preview Lab

Preview with #A33628

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

Preview Lab → · Contrast checker → · Palette generator →