#A33840#A33840

#A33840 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.6% C 0.141 H 19.6°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#A33840
RGB	rgb(163, 56, 64)
HSL	hsl(356, 49%, 43%)
HSV	hsv(356, 66%, 64%)
CMYK	cmyk(0%, 65.6%, 60.7%, 36.1%)
CIE-LAB	lab(39.56, 44.67, 19.47)
CIE-LCH	lch(39.56, 48.73, 23.55°)
OKLab	oklab(49.63% 0.1329 0.0474)
OKLCH	oklch(49.63% 0.141 19.6)
XYZ	xyz(17.4455, 10.9874, 6.0516)
Luminance	0.1099 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33840 #38A39B

analogous

#A33875 #A33840 #A36538

triadic

#A33840 #40A338 #3840A3

tetradic

#A33840 #75A338 #38A39B #6538A3

square

#A33840 #75A338 #38A39B #6538A3

split-complementary

#A33840 #38A365 #3875A3

monochromatic

#48191C #75282E #A33840 #C4545C #D48288

Accessibility & contrast

On white

6.57

#A33840 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#A33840 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33840

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33840	#FFFFFF	#000000	##FFFFFF
##A33840	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534F40

Deuteranopia (green-blind)

#6E663D

Tritanopia (blue-blind)

#B2223C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33840;
/* rgb */ color: rgb(163, 56, 64);
/* oklch */ color: oklch(49.6% 0.141 19.6);

Tailwind

colors: {
  custom: {
    50: '#c47474',
    500: '#a33840',
    950: '#000000',
  },
}

SCSS

$custom: #a33840;
$custom-light: #c47474;
$custom-dark: #000000;

JSON

{
  "hex": "#a33840",
  "rgb": {
    "r": 163,
    "g": 56,
    "b": 64
  },
  "hsl": {
    "h": 355.514,
    "s": 48.858,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49625,
    "c": 0.14112,
    "h": 19.6
  },
  "luminance": 0.10985
}

Semantic roles & 50–950 ramp

primary

#A33840

secondary

#79BDB8

accent

#D8CE4F

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A33840

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

Preview Lab → · Contrast checker → · Palette generator →