#A33747#A33747

#A33747 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.7% C 0.142 H 15.3°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#A33747
RGB	rgb(163, 55, 71)
HSL	hsl(351, 50%, 43%)
HSV	hsv(351, 66%, 64%)
CMYK	cmyk(0%, 66.3%, 56.4%, 36.1%)
CIE-LAB	lab(39.54, 45.64, 15.07)
CIE-LCH	lch(39.54, 48.06, 18.27°)
OKLab	oklab(49.66% 0.1372 0.0375)
OKLCH	oklch(49.66% 0.142 15.3)
XYZ	xyz(17.6094, 10.9762, 7.1513)
Luminance	0.1097 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33747 #37A393

analogous

#A3377D #A33747 #A35D37

triadic

#A33747 #47A337 #3747A3

tetradic

#A33747 #7DA337 #37A393 #5D37A3

square

#A33747 #7DA337 #37A393 #5D37A3

split-complementary

#A33747 #37A35D #377DA3

monochromatic

#47181F #752833 #A33747 #C55263 #D4808D

Accessibility & contrast

On white

6.57

#A33747 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#A33747 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33747

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33747	#FFFFFF	#000000	##FFFFFF
##A33747	1.00	6.57	3.19	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514F47

Deuteranopia (green-blind)

#6D6544

Tritanopia (blue-blind)

#B2223D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33747;
/* rgb */ color: rgb(163, 55, 71);
/* oklch */ color: oklch(49.7% 0.142 15.3);

Tailwind

colors: {
  custom: {
    50: '#c4747a',
    500: '#a33747',
    950: '#000000',
  },
}

SCSS

$custom: #a33747;
$custom-light: #c4747a;
$custom-dark: #000000;

JSON

{
  "hex": "#a33747",
  "rgb": {
    "r": 163,
    "g": 55,
    "b": 71
  },
  "hsl": {
    "h": 351.111,
    "s": 49.541,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49657,
    "c": 0.14221,
    "h": 15.3
  },
  "luminance": 0.10974
}

Semantic roles & 50–950 ramp

primary

#A33747

secondary

#78BEB3

accent

#D9C54F

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140909

muted

#827B7B

Preview Lab

Preview with #A33747

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

Preview Lab → · Contrast checker → · Palette generator →