#C43B2F#C43B2F

#C43B2F is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.3% C 0.176 H 29.0°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#C43B2F
RGB	rgb(196, 59, 47)
HSL	hsl(5, 61%, 48%)
HSV	hsv(5, 76%, 77%)
CMYK	cmyk(0%, 69.9%, 76%, 23.1%)
CIE-LAB	lab(45.73, 53.60, 38.38)
CIE-LCH	lch(45.73, 65.93, 35.61°)
OKLab	oklab(55.28% 0.1537 0.0851)
OKLCH	oklch(55.28% 0.176 29)
XYZ	xyz(24.8448, 15.0727, 4.2899)
Luminance	0.1507 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43B2F #2FB8C4

analogous

#C42F6E #C43B2F #C4852F

triadic

#C43B2F #2FC43B #3B2FC4

tetradic

#C43B2F #6EC42F #2FB8C4 #852FC4

square

#C43B2F #6EC42F #2FB8C4 #852FC4

split-complementary

#C43B2F #2FC485 #2F6EC4

monochromatic

#611D17 #932C23 #C43B2F #D76359 #E3928A

Accessibility & contrast

On white

5.23

#C43B2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#C43B2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43B2F

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43B2F	#FFFFFF	#000000	##FFFFFF
##C43B2F	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63592C

Deuteranopia (green-blind)

#85772A

Tritanopia (blue-blind)

#D80539

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c43b2f;
/* rgb */ color: rgb(196, 59, 47);
/* oklch */ color: oklch(55.3% 0.176 29.0);

Tailwind

colors: {
  custom: {
    50: '#df7968',
    500: '#c43b2f',
    950: '#000000',
  },
}

SCSS

$custom: #c43b2f;
$custom-light: #df7968;
$custom-dark: #000000;

JSON

{
  "hex": "#c43b2f",
  "rgb": {
    "r": 196,
    "g": 59,
    "b": 47
  },
  "hsl": {
    "h": 4.832,
    "s": 61.317,
    "l": 47.647
  },
  "oklch": {
    "l": 0.55275,
    "c": 0.17568,
    "h": 29
  },
  "luminance": 0.15069
}

Semantic roles & 50–950 ramp

primary

#C43B2F

secondary

#82C7CD

accent

#D7E443

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C43B2F

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

Preview Lab → · Contrast checker → · Palette generator →