#A33D40#A33D40

#A33D40 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.3% C 0.135 H 21.6°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#A33D40
RGB	rgb(163, 61, 64)
HSL	hsl(358, 46%, 44%)
HSV	hsv(358, 63%, 64%)
CMYK	cmyk(0%, 62.6%, 60.7%, 36.1%)
CIE-LAB	lab(40.40, 42.41, 20.57)
CIE-LCH	lch(40.40, 47.13, 25.88°)
OKLab	oklab(50.26% 0.1258 0.0499)
OKLCH	oklch(50.26% 0.135 21.6)
XYZ	xyz(17.7000, 11.4965, 6.1365)
Luminance	0.1149 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33D40 #3DA3A0

analogous

#A33D73 #A33D40 #A36D3D

triadic

#A33D40 #40A33D #3D40A3

tetradic

#A33D40 #73A33D #3DA3A0 #6D3DA3

square

#A33D40 #73A33D #3DA3A0 #6D3DA3

split-complementary

#A33D40 #3DA36D #3D73A3

monochromatic

#4A1C1D #762C2F #A33D40 #C25B5E #D2888A

Accessibility & contrast

On white

6.37

#A33D40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#A33D40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33D40

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33D40	#FFFFFF	#000000	##FFFFFF
##A33D40	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57523F

Deuteranopia (green-blind)

#70673D

Tritanopia (blue-blind)

#B2293F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33d40;
/* rgb */ color: rgb(163, 61, 64);
/* oklch */ color: oklch(50.3% 0.135 21.6);

Tailwind

colors: {
  custom: {
    50: '#c47774',
    500: '#a33d40',
    950: '#000000',
  },
}

SCSS

$custom: #a33d40;
$custom-light: #c47774;
$custom-dark: #000000;

JSON

{
  "hex": "#a33d40",
  "rgb": {
    "r": 163,
    "g": 61,
    "b": 64
  },
  "hsl": {
    "h": 358.235,
    "s": 45.536,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50259,
    "c": 0.13529,
    "h": 21.6
  },
  "luminance": 0.11494
}

Semantic roles & 50–950 ramp

primary

#A33D40

secondary

#7FBDBB

accent

#D5D153

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A33D40

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

Preview Lab → · Contrast checker → · Palette generator →