#C33A3B#C33A3B

#C33A3B is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.2% C 0.174 H 24.5°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#C33A3B
RGB	rgb(195, 58, 59)
HSL	hsl(360, 54%, 50%)
HSV	hsv(360, 70%, 76%)
CMYK	cmyk(0%, 70.3%, 69.7%, 23.5%)
CIE-LAB	lab(45.56, 54.19, 31.26)
CIE-LCH	lch(45.56, 62.56, 29.97°)
OKLab	oklab(55.16% 0.1582 0.0722)
OKLCH	oklch(55.16% 0.174 24.5)
XYZ	xyz(24.8109, 14.9476, 5.7156)
Luminance	0.1494 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33A3B #3AC3C2

analogous

#C33A80 #C33A3B #C37E3A

triadic

#C33A3B #3BC33A #3A3BC3

tetradic

#C33A3B #80C33A #3AC3C2 #7E3AC3

square

#C33A3B #80C33A #3AC3C2 #7E3AC3

split-complementary

#C33A3B #3AC37E #3A80C3

monochromatic

#651E1E #942C2D #C33A3B #D26869 #E09798

Accessibility & contrast

On white

5.26

#C33A3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#C33A3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33A3B

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33A3B	#FFFFFF	#000000	##FFFFFF
##C33A3B	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61593A

Deuteranopia (green-blind)

#837737

Tritanopia (blue-blind)

#D60A3C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c33a3b;
/* rgb */ color: rgb(195, 58, 59);
/* oklch */ color: oklch(55.2% 0.174 24.5);

Tailwind

colors: {
  custom: {
    50: '#dd7971',
    500: '#c33a3b',
    950: '#000000',
  },
}

SCSS

$custom: #c33a3b;
$custom-light: #dd7971;
$custom-dark: #000000;

JSON

{
  "hex": "#c33a3b",
  "rgb": {
    "r": 195,
    "g": 58,
    "b": 59
  },
  "hsl": {
    "h": 359.562,
    "s": 54.15,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55162,
    "c": 0.17385,
    "h": 24.5
  },
  "luminance": 0.14944
}

Semantic roles & 50–950 ramp

primary

#C33A3B

secondary

#8DCCCB

accent

#DEDC4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C33A3B

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

Preview Lab → · Contrast checker → · Palette generator →