#C23F21#C23F21

#C23F21 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.2% C 0.173 H 34.1°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#C23F21
RGB	rgb(194, 63, 33)
HSL	hsl(11, 71%, 45%)
HSV	hsv(11, 83%, 76%)
CMYK	cmyk(0%, 67.5%, 83%, 23.9%)
CIE-LAB	lab(45.82, 50.88, 45.65)
CIE-LCH	lch(45.82, 68.35, 41.90°)
OKLab	oklab(55.23% 0.1428 0.0968)
OKLCH	oklch(55.23% 0.173 34.1)
XYZ	xyz(24.3030, 15.1378, 3.0808)
Luminance	0.1513 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C23F21 #21A4C2

analogous

#C22154 #C23F21 #C29021

triadic

#C23F21 #21C23F #3F21C2

tetradic

#C23F21 #54C221 #21A4C2 #9021C2

square

#C23F21 #54C221 #21A4C2 #9021C2

split-complementary

#C23F21 #21C290 #2154C2

monochromatic

#591D0F #8E2E18 #C23F21 #DF5F41 #E88B76

Accessibility & contrast

On white

5.22

#C23F21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#C23F21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C23F21

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C23F21	#FFFFFF	#000000	##FFFFFF
##C23F21	1.00	5.22	4.03	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655A1C

Deuteranopia (green-blind)

#86771A

Tritanopia (blue-blind)

#D61239

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c23f21;
/* rgb */ color: rgb(194, 63, 33);
/* oklch */ color: oklch(55.2% 0.173 34.1);

Tailwind

colors: {
  custom: {
    50: '#de7b5f',
    500: '#c23f21',
    950: '#000000',
  },
}

SCSS

$custom: #c23f21;
$custom-light: #de7b5f;
$custom-dark: #000000;

JSON

{
  "hex": "#c23f21",
  "rgb": {
    "r": 194,
    "g": 63,
    "b": 33
  },
  "hsl": {
    "h": 11.18,
    "s": 70.925,
    "l": 44.51
  },
  "oklch": {
    "l": 0.55233,
    "c": 0.17251,
    "h": 34.1
  },
  "luminance": 0.15134
}

Semantic roles & 50–950 ramp

primary

#C23F21

secondary

#70BDCF

accent

#CCEE3A

background

#FEF7F5

surface

#FDEEE9

border

#D5C9C5

text

#170A05

muted

#857C79

Preview Lab

Preview with #C23F21

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

Preview Lab → · Contrast checker → · Palette generator →