#C33739#C33739

#C33739 is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.8% C 0.177 H 24.5°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#C33739
RGB	rgb(195, 55, 57)
HSL	hsl(359, 56%, 49%)
HSV	hsv(359, 72%, 76%)
CMYK	cmyk(0%, 71.8%, 70.8%, 23.5%)
CIE-LAB	lab(45.13, 55.21, 31.92)
CIE-LCH	lch(45.13, 63.78, 30.03°)
OKLab	oklab(54.83% 0.161 0.0733)
OKLCH	oklch(54.83% 0.177 24.5)
XYZ	xyz(24.6131, 14.6336, 5.3987)
Luminance	0.1463 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33739 #37C3C1

analogous

#C3377F #C33739 #C37B37

triadic

#C33739 #39C337 #3739C3

tetradic

#C33739 #7FC337 #37C3C1 #7B37C3

square

#C33739 #7FC337 #37C3C1 #7B37C3

split-complementary

#C33739 #37C37B #377FC3

monochromatic

#641C1D #932A2B #C33739 #D36466 #E19495

Accessibility & contrast

On white

5.35

#C33739 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#C33739 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33739

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33739	#FFFFFF	#000000	##FFFFFF
##C33739	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5838

Deuteranopia (green-blind)

#827634

Tritanopia (blue-blind)

#D60039

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c33739;
/* rgb */ color: rgb(195, 55, 57);
/* oklch */ color: oklch(54.8% 0.177 24.5);

Tailwind

colors: {
  custom: {
    50: '#dd786f',
    500: '#c33739',
    950: '#000000',
  },
}

SCSS

$custom: #c33739;
$custom-light: #dd786f;
$custom-dark: #000000;

JSON

{
  "hex": "#c33739",
  "rgb": {
    "r": 195,
    "g": 55,
    "b": 57
  },
  "hsl": {
    "h": 359.143,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54828,
    "c": 0.17686,
    "h": 24.5
  },
  "luminance": 0.1463
}

Semantic roles & 50–950 ramp

primary

#C33739

secondary

#8ACCCB

accent

#DFDD49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C33739

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

Preview Lab → · Contrast checker → · Palette generator →