#C23331#C23331

#C23331 is a mid, vivid red. Relative luminance 0.141; OKLCH L 54.2% C 0.180 H 26.2°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#C23331
RGB	rgb(194, 51, 49)
HSL	hsl(1, 60%, 48%)
HSV	hsv(1, 75%, 76%)
CMYK	cmyk(0%, 73.7%, 74.7%, 23.9%)
CIE-LAB	lab(44.32, 55.97, 35.60)
CIE-LCH	lch(44.32, 66.33, 32.46°)
OKLab	oklab(54.16% 0.1618 0.0797)
OKLCH	oklch(54.16% 0.18 26.2)
XYZ	xyz(23.9891, 14.0624, 4.3563)
Luminance	0.1406 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C23331 #31C0C2

analogous

#C23177 #C23331 #C27C31

triadic

#C23331 #31C233 #3331C2

tetradic

#C23331 #77C231 #31C0C2 #7C31C2

square

#C23331 #77C231 #31C0C2 #7C31C2

split-complementary

#C23331 #31C27C #3177C2

monochromatic

#601918 #912625 #C23331 #D65C5B #E28D8C

Accessibility & contrast

On white

5.51

#C23331 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#C23331 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C23331

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C23331	#FFFFFF	#000000	##FFFFFF
##C23331	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552F

Deuteranopia (green-blind)

#81742C

Tritanopia (blue-blind)

#D60034

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #c23331;
/* rgb */ color: rgb(194, 51, 49);
/* oklch */ color: oklch(54.2% 0.180 26.2);

Tailwind

colors: {
  custom: {
    50: '#dd7569',
    500: '#c23331',
    950: '#000000',
  },
}

SCSS

$custom: #c23331;
$custom-light: #dd7569;
$custom-dark: #000000;

JSON

{
  "hex": "#c23331",
  "rgb": {
    "r": 194,
    "g": 51,
    "b": 49
  },
  "hsl": {
    "h": 0.828,
    "s": 59.671,
    "l": 47.647
  },
  "oklch": {
    "l": 0.5416,
    "c": 0.18036,
    "h": 26.2
  },
  "luminance": 0.14059
}

Semantic roles & 50–950 ramp

primary

#C23331

secondary

#83CBCC

accent

#E1E345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C23331

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

Preview Lab → · Contrast checker → · Palette generator →