#A33A35#A33A35

#A33A35 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.7% C 0.140 H 26.2°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#A33A35
RGB	rgb(163, 58, 53)
HSL	hsl(3, 51%, 42%)
HSV	hsv(3, 67%, 64%)
CMYK	cmyk(0%, 64.4%, 67.5%, 36.1%)
CIE-LAB	lab(39.70, 43.06, 26.40)
CIE-LCH	lch(39.70, 50.51, 31.52°)
OKLab	oklab(49.67% 0.1257 0.0619)
OKLCH	oklch(49.67% 0.14 26.2)
XYZ	xyz(17.2617, 11.0721, 4.5956)
Luminance	0.1107 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33A35 #359EA3

analogous

#A33567 #A33A35 #A37135

triadic

#A33A35 #35A33A #3A35A3

tetradic

#A33A35 #67A335 #359EA3 #7135A3

square

#A33A35 #67A335 #359EA3 #7135A3

split-complementary

#A33A35 #35A371 #3567A3

monochromatic

#471917 #752A26 #A33A35 #C6554F #D5817E

Accessibility & contrast

On white

6.53

#A33A35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#A33A35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33A35

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33A35	#FFFFFF	#000000	##FFFFFF
##A33A35	1.00	6.53	3.21	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F34

Deuteranopia (green-blind)

#706632

Tritanopia (blue-blind)

#B3223A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33a35;
/* rgb */ color: rgb(163, 58, 53);
/* oklch */ color: oklch(49.7% 0.140 26.2);

Tailwind

colors: {
  custom: {
    50: '#c5756c',
    500: '#a33a35',
    950: '#000000',
  },
}

SCSS

$custom: #a33a35;
$custom-light: #c5756c;
$custom-dark: #000000;

JSON

{
  "hex": "#a33a35",
  "rgb": {
    "r": 163,
    "g": 58,
    "b": 53
  },
  "hsl": {
    "h": 2.727,
    "s": 50.926,
    "l": 42.353
  },
  "oklch": {
    "l": 0.4967,
    "c": 0.14011,
    "h": 26.2
  },
  "luminance": 0.1107
}

Semantic roles & 50–950 ramp

primary

#A33A35

secondary

#76BBBE

accent

#D4DA4D

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140907

muted

#827B7A

Preview Lab

Preview with #A33A35

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

Preview Lab → · Contrast checker → · Palette generator →