#C74B3B#C74B3B

#C74B3B is a mid, vivid red. Relative luminance 0.175; OKLCH L 57.8% C 0.161 H 30.1°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#C74B3B
RGB	rgb(199, 75, 59)
HSL	hsl(7, 56%, 51%)
HSV	hsv(7, 70%, 78%)
CMYK	cmyk(0%, 62.3%, 70.4%, 22%)
CIE-LAB	lab(48.88, 48.48, 35.33)
CIE-LCH	lch(48.88, 59.99, 36.08°)
OKLab	oklab(57.78% 0.1397 0.0809)
OKLCH	oklch(57.78% 0.161 30.1)
XYZ	xyz(26.8615, 17.4938, 6.0990)
Luminance	0.1749 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C74B3B #3BB7C7

analogous

#C73B71 #C74B3B #C7913B

triadic

#C74B3B #3BC74B #4B3BC7

tetradic

#C74B3B #71C73B #3BB7C7 #913BC7

square

#C74B3B #71C73B #3BB7C7 #913BC7

split-complementary

#C74B3B #3BC791 #3B71C7

monochromatic

#69271E #99382C #C74B3B #D5776B #E2A29A

Accessibility & contrast

On white

4.67

#C74B3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#C74B3B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #C74B3B

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C74B3B	#FFFFFF	#000000	##FFFFFF
##C74B3B	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6339

Deuteranopia (green-blind)

#8C7E37

Tritanopia (blue-blind)

#DA2E48

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #c74b3b;
/* rgb */ color: rgb(199, 75, 59);
/* oklch */ color: oklch(57.8% 0.161 30.1);

Tailwind

colors: {
  custom: {
    50: '#df8371',
    500: '#c74b3b',
    950: '#000000',
  },
}

SCSS

$custom: #c74b3b;
$custom-light: #df8371;
$custom-dark: #000000;

JSON

{
  "hex": "#c74b3b",
  "rgb": {
    "r": 199,
    "g": 75,
    "b": 59
  },
  "hsl": {
    "h": 6.857,
    "s": 55.556,
    "l": 50.588
  },
  "oklch": {
    "l": 0.57778,
    "c": 0.16147,
    "h": 30.1
  },
  "luminance": 0.1749
}

Semantic roles & 50–950 ramp

primary

#C74B3B

secondary

#90C7CE

accent

#CEDF49

background

#FEF8F6

surface

#FDEFEC

border

#D5CAC7

text

#170B08

muted

#857C7B

Preview Lab

Preview with #C74B3B

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

Preview Lab → · Contrast checker → · Palette generator →