#C33730#C33730

#C33730 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.7% C 0.178 H 27.6°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#C33730
RGB	rgb(195, 55, 48)
HSL	hsl(3, 60%, 48%)
HSV	hsv(3, 75%, 76%)
CMYK	cmyk(0%, 71.8%, 75.4%, 23.5%)
CIE-LAB	lab(45.01, 54.82, 36.99)
CIE-LCH	lch(45.01, 66.13, 34.01°)
OKLab	oklab(54.71% 0.1578 0.0824)
OKLCH	oklch(54.71% 0.178 27.6)
XYZ	xyz(24.4082, 14.5516, 4.3193)
Luminance	0.1455 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33730 #30BCC3

analogous

#C33073 #C33730 #C38030

triadic

#C33730 #30C337 #3730C3

tetradic

#C33730 #73C330 #30BCC3 #8030C3

square

#C33730 #73C330 #30BCC3 #8030C3

split-complementary

#C33730 #30C380 #3073C3

monochromatic

#611B18 #922924 #C33730 #D6605A #E28F8B

Accessibility & contrast

On white

5.37

#C33730 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#C33730 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33730

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33730	#FFFFFF	#000000	##FFFFFF
##C33730	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60572E

Deuteranopia (green-blind)

#83762B

Tritanopia (blue-blind)

#D70037

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c33730;
/* rgb */ color: rgb(195, 55, 48);
/* oklch */ color: oklch(54.7% 0.178 27.6);

Tailwind

colors: {
  custom: {
    50: '#de7769',
    500: '#c33730',
    950: '#000000',
  },
}

SCSS

$custom: #c33730;
$custom-light: #de7769;
$custom-dark: #000000;

JSON

{
  "hex": "#c33730",
  "rgb": {
    "r": 195,
    "g": 55,
    "b": 48
  },
  "hsl": {
    "h": 2.857,
    "s": 60.494,
    "l": 47.647
  },
  "oklch": {
    "l": 0.54707,
    "c": 0.17805,
    "h": 27.6
  },
  "luminance": 0.14548
}

Semantic roles & 50–950 ramp

primary

#C33730

secondary

#82C9CC

accent

#DCE444

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C33730

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

Preview Lab → · Contrast checker → · Palette generator →