#CA3640#CA3640

#CA3640 is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.0% C 0.184 H 22.0°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#CA3640
RGB	rgb(202, 54, 64)
HSL	hsl(356, 58%, 50%)
HSV	hsv(356, 73%, 79%)
CMYK	cmyk(0%, 73.3%, 68.3%, 20.8%)
CIE-LAB	lab(46.40, 58.09, 29.61)
CIE-LCH	lch(46.40, 65.20, 27.01°)
OKLab	oklab(56.05% 0.1707 0.069)
OKLCH	oklch(56.05% 0.184 22)
XYZ	xyz(26.6046, 15.5691, 6.4537)
Luminance	0.1557 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3640 #36CAC0

analogous

#CA368A #CA3640 #CA7636

triadic

#CA3640 #40CA36 #3640CA

tetradic

#CA3640 #8ACA36 #36CAC0 #7636CA

square

#CA3640 #8ACA36 #36CAC0 #7636CA

split-complementary

#CA3640 #36CA76 #368ACA

monochromatic

#6A1C21 #9A2930 #CA3640 #D7666E #E4979C

Accessibility & contrast

On white

5.11

#CA3640 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#CA3640 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3640

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3640	#FFFFFF	#000000	##FFFFFF
##CA3640	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615A3F

Deuteranopia (green-blind)

#86793B

Tritanopia (blue-blind)

#DE003B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ca3640;
/* rgb */ color: rgb(202, 54, 64);
/* oklch */ color: oklch(56.0% 0.184 22.0);

Tailwind

colors: {
  custom: {
    50: '#e27875',
    500: '#ca3640',
    950: '#000000',
  },
}

SCSS

$custom: #ca3640;
$custom-light: #e27875;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3640",
  "rgb": {
    "r": 202,
    "g": 54,
    "b": 64
  },
  "hsl": {
    "h": 355.946,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56048,
    "c": 0.18411,
    "h": 22
  },
  "luminance": 0.15565
}

Semantic roles & 50–950 ramp

primary

#CA3640

secondary

#8DCFCB

accent

#E1D746

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CA3640

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

Preview Lab → · Contrast checker → · Palette generator →