#C33B30#C33B30

#C33B30 is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.1% C 0.174 H 28.7°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#C33B30
RGB	rgb(195, 59, 48)
HSL	hsl(4, 60%, 48%)
HSV	hsv(4, 75%, 76%)
CMYK	cmyk(0%, 69.7%, 75.4%, 23.5%)
CIE-LAB	lab(45.56, 53.31, 37.59)
CIE-LCH	lch(45.56, 65.23, 35.18°)
OKLab	oklab(55.12% 0.1531 0.0837)
OKLCH	oklch(55.12% 0.175 28.7)
XYZ	xyz(24.6059, 14.9471, 4.3852)
Luminance	0.1494 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33B30 #30B8C3

analogous

#C3306E #C33B30 #C38530

triadic

#C33B30 #30C33B #3B30C3

tetradic

#C33B30 #6EC330 #30B8C3 #8530C3

square

#C33B30 #6EC330 #30B8C3 #8530C3

split-complementary

#C33B30 #30C385 #306EC3

monochromatic

#611D18 #922C24 #C33B30 #D6635A #E2928B

Accessibility & contrast

On white

5.27

#C33B30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#C33B30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33B30

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33B30	#FFFFFF	#000000	##FFFFFF
##C33B30	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62592E

Deuteranopia (green-blind)

#84772B

Tritanopia (blue-blind)

#D7083A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c33b30;
/* rgb */ color: rgb(195, 59, 48);
/* oklch */ color: oklch(55.1% 0.174 28.7);

Tailwind

colors: {
  custom: {
    50: '#de7969',
    500: '#c33b30',
    950: '#000000',
  },
}

SCSS

$custom: #c33b30;
$custom-light: #de7969;
$custom-dark: #000000;

JSON

{
  "hex": "#c33b30",
  "rgb": {
    "r": 195,
    "g": 59,
    "b": 48
  },
  "hsl": {
    "h": 4.49,
    "s": 60.494,
    "l": 47.647
  },
  "oklch": {
    "l": 0.55116,
    "c": 0.1745,
    "h": 28.7
  },
  "luminance": 0.14943
}

Semantic roles & 50–950 ramp

primary

#C33B30

secondary

#82C7CC

accent

#D8E444

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C33B30

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

Preview Lab → · Contrast checker → · Palette generator →