#C23B30#C23B30

#C23B30 is a mid, vivid red. Relative luminance 0.148; OKLCH L 54.9% C 0.173 H 28.7°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#C23B30
RGB	rgb(194, 59, 48)
HSL	hsl(5, 60%, 47%)
HSV	hsv(5, 75%, 76%)
CMYK	cmyk(0%, 69.6%, 75.3%, 23.9%)
CIE-LAB	lab(45.38, 52.99, 37.33)
CIE-LCH	lch(45.38, 64.82, 35.17°)
OKLab	oklab(54.95% 0.1522 0.0833)
OKLCH	oklch(54.95% 0.173 28.7)
XYZ	xyz(24.3484, 14.8143, 4.3731)
Luminance	0.1481 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C23B30 #30B7C2

analogous

#C2306E #C23B30 #C28430

triadic

#C23B30 #30C23B #3B30C2

tetradic

#C23B30 #6EC230 #30B7C2 #8430C2

square

#C23B30 #6EC230 #30B7C2 #8430C2

split-complementary

#C23B30 #30C284 #306EC2

monochromatic

#601D18 #912C24 #C23B30 #D66359 #E2918A

Accessibility & contrast

On white

5.30

#C23B30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#C23B30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C23B30

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C23B30	#FFFFFF	#000000	##FFFFFF
##C23B30	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62592E

Deuteranopia (green-blind)

#84762B

Tritanopia (blue-blind)

#D5093A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c23b30;
/* rgb */ color: rgb(194, 59, 48);
/* oklch */ color: oklch(54.9% 0.173 28.7);

Tailwind

colors: {
  custom: {
    50: '#dd7969',
    500: '#c23b30',
    950: '#000000',
  },
}

SCSS

$custom: #c23b30;
$custom-light: #dd7969;
$custom-dark: #000000;

JSON

{
  "hex": "#c23b30",
  "rgb": {
    "r": 194,
    "g": 59,
    "b": 48
  },
  "hsl": {
    "h": 4.521,
    "s": 60.331,
    "l": 47.451
  },
  "oklch": {
    "l": 0.54946,
    "c": 0.17346,
    "h": 28.7
  },
  "luminance": 0.14811
}

Semantic roles & 50–950 ramp

primary

#C23B30

secondary

#82C6CC

accent

#D7E344

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C23B30

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

Preview Lab → · Contrast checker → · Palette generator →