#A33734#A33734

#A33734 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.3% C 0.143 H 25.5°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#A33734
RGB	rgb(163, 55, 52)
HSL	hsl(2, 52%, 42%)
HSV	hsv(2, 68%, 64%)
CMYK	cmyk(0%, 66.3%, 68.1%, 36.1%)
CIE-LAB	lab(39.19, 44.34, 26.38)
CIE-LCH	lch(39.19, 51.59, 30.75°)
OKLab	oklab(49.28% 0.1295 0.0617)
OKLCH	oklch(49.28% 0.143 25.5)
XYZ	xyz(17.0920, 10.7692, 4.4268)
Luminance	0.1077 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33734 #34A0A3

analogous

#A33468 #A33734 #A36F34

triadic

#A33734 #34A337 #3734A3

tetradic

#A33734 #68A334 #34A0A3 #6F34A3

square

#A33734 #68A334 #34A0A3 #6F34A3

split-complementary

#A33734 #34A36F #3468A3

monochromatic

#461816 #752725 #A33734 #C6514E #D57F7C

Accessibility & contrast

On white

6.66

#A33734 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#A33734 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33734

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33734	#FFFFFF	#000000	##FFFFFF
##A33734	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E33

Deuteranopia (green-blind)

#6F6531

Tritanopia (blue-blind)

#B31C37

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a33734;
/* rgb */ color: rgb(163, 55, 52);
/* oklch */ color: oklch(49.3% 0.143 25.5);

Tailwind

colors: {
  custom: {
    50: '#c5746b',
    500: '#a33734',
    950: '#000000',
  },
}

SCSS

$custom: #a33734;
$custom-light: #c5746b;
$custom-dark: #000000;

JSON

{
  "hex": "#a33734",
  "rgb": {
    "r": 163,
    "g": 55,
    "b": 52
  },
  "hsl": {
    "h": 1.622,
    "s": 51.628,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49281,
    "c": 0.14347,
    "h": 25.5
  },
  "luminance": 0.10767
}

Semantic roles & 50–950 ramp

primary

#A33734

secondary

#75BCBE

accent

#D7DB4D

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A33734

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

Preview Lab → · Contrast checker → · Palette generator →