#C42540#C42540

#C42540 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.6% C 0.192 H 18.3°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#C42540
RGB	rgb(196, 37, 64)
HSL	hsl(350, 68%, 46%)
HSV	hsv(350, 81%, 77%)
CMYK	cmyk(0%, 81.1%, 67.3%, 23.1%)
CIE-LAB	lab(43.41, 61.51, 25.65)
CIE-LCH	lch(43.41, 66.64, 22.64°)
OKLab	oklab(53.62% 0.1824 0.0604)
OKLCH	oklch(53.62% 0.192 18.3)
XYZ	xyz(24.3547, 13.4329, 6.1599)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C42540 #25C4A9

analogous

#C4258F #C42540 #C45925

triadic

#C42540 #40C425 #2540C4

tetradic

#C42540 #8FC425 #25C4A9 #5925C4

square

#C42540 #8FC425 #25C4A9 #5925C4

split-complementary

#C42540 #25C459 #258FC4

monochromatic

#5D121E #911B2F #C42540 #DD4962 #E67D8F

Accessibility & contrast

On white

5.70

#C42540 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#C42540 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C42540

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C42540	#FFFFFF	#000000	##FFFFFF
##C42540	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565140

Deuteranopia (green-blind)

#7E723B

Tritanopia (blue-blind)

#D70031

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #c42540;
/* rgb */ color: rgb(196, 37, 64);
/* oklch */ color: oklch(53.6% 0.192 18.3);

Tailwind

colors: {
  custom: {
    50: '#de7174',
    500: '#c42540',
    950: '#000000',
  },
}

SCSS

$custom: #c42540;
$custom-light: #de7174;
$custom-dark: #000000;

JSON

{
  "hex": "#c42540",
  "rgb": {
    "r": 196,
    "g": 37,
    "b": 64
  },
  "hsl": {
    "h": 349.811,
    "s": 68.24,
    "l": 45.686
  },
  "oklch": {
    "l": 0.5362,
    "c": 0.19217,
    "h": 18.3
  },
  "luminance": 0.13429
}

Semantic roles & 50–950 ramp

primary

#C42540

secondary

#76CFC0

accent

#EBCD3D

background

#FEF7F7

surface

#FDEDED

border

#D5C8C8

text

#170908

muted

#857B7B

Preview Lab

Preview with #C42540

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

Preview Lab → · Contrast checker → · Palette generator →