#C33B3C#C33B3C

#C33B3C is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.3% C 0.173 H 24.4°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#C33B3C
RGB	rgb(195, 59, 60)
HSL	hsl(360, 54%, 50%)
HSV	hsv(360, 70%, 76%)
CMYK	cmyk(0%, 69.7%, 69.2%, 23.5%)
CIE-LAB	lab(45.72, 53.86, 30.85)
CIE-LCH	lch(45.72, 62.07, 29.80°)
OKLab	oklab(55.28% 0.1573 0.0715)
OKLCH	oklch(55.28% 0.173 24.4)
XYZ	xyz(24.8879, 15.0599, 5.8704)
Luminance	0.1506 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33B3C #3BC3C2

analogous

#C33B80 #C33B3C #C37E3B

triadic

#C33B3C #3CC33B #3B3CC3

tetradic

#C33B3C #80C33B #3BC3C2 #7E3BC3

square

#C33B3C #80C33B #3BC3C2 #7E3BC3

split-complementary

#C33B3C #3BC37E #3B80C3

monochromatic

#651F1F #942D2E #C33B3C #D2696A #E09899

Accessibility & contrast

On white

5.24

#C33B3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#C33B3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33B3C

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33B3C	#FFFFFF	#000000	##FFFFFF
##C33B3C	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615A3B

Deuteranopia (green-blind)

#837738

Tritanopia (blue-blind)

#D60F3D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c33b3c;
/* rgb */ color: rgb(195, 59, 60);
/* oklch */ color: oklch(55.3% 0.173 24.4);

Tailwind

colors: {
  custom: {
    50: '#dd7a72',
    500: '#c33b3c',
    950: '#000000',
  },
}

SCSS

$custom: #c33b3c;
$custom-light: #dd7a72;
$custom-dark: #000000;

JSON

{
  "hex": "#c33b3c",
  "rgb": {
    "r": 195,
    "g": 59,
    "b": 60
  },
  "hsl": {
    "h": 359.559,
    "s": 53.543,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55281,
    "c": 0.17278,
    "h": 24.4
  },
  "luminance": 0.15056
}

Semantic roles & 50–950 ramp

primary

#C33B3C

secondary

#8ECCCB

accent

#DDDC4B

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C33B3C

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

Preview Lab → · Contrast checker → · Palette generator →