#CA1537#CA1537

#CA1537 is a mid, highly saturated red. Relative luminance 0.134; OKLCH L 53.7% C 0.207 H 20.2°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#CA1537
RGB	rgb(202, 21, 55)
HSL	hsl(349, 81%, 44%)
HSV	hsv(349, 90%, 79%)
CMYK	cmyk(0%, 89.6%, 72.8%, 20.8%)
CIE-LAB	lab(43.32, 66.02, 31.32)
CIE-LCH	lch(43.32, 73.08, 25.38°)
OKLab	oklab(53.72% 0.1941 0.0712)
OKLCH	oklch(53.72% 0.207 20.2)
XYZ	xyz(25.3179, 13.3729, 4.8619)
Luminance	0.1337 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA1537 #15CAA8

analogous

#CA1591 #CA1537 #CA4D15

triadic

#CA1537 #37CA15 #1537CA

tetradic

#CA1537 #91CA15 #15CAA8 #4D15CA

square

#CA1537 #91CA15 #15CAA8 #4D15CA

split-complementary

#CA1537 #15CA4D #1591CA

monochromatic

#5B0919 #930F28 #CA1537 #EA3255 #EF6A83

Accessibility & contrast

On white

5.72

#CA1537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#CA1537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA1537

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA1537	#FFFFFF	#000000	##FFFFFF
##CA1537	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554F36

Deuteranopia (green-blind)

#807331

Tritanopia (blue-blind)

#DE0026

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #ca1537;
/* rgb */ color: rgb(202, 21, 55);
/* oklch */ color: oklch(53.7% 0.207 20.2);

Tailwind

colors: {
  custom: {
    50: '#e46d6d',
    500: '#ca1537',
    950: '#000000',
  },
}

SCSS

$custom: #ca1537;
$custom-light: #e46d6d;
$custom-dark: #000000;

JSON

{
  "hex": "#ca1537",
  "rgb": {
    "r": 202,
    "g": 21,
    "b": 55
  },
  "hsl": {
    "h": 348.729,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.53722,
    "c": 0.20673,
    "h": 20.2
  },
  "luminance": 0.13369
}

Semantic roles & 50–950 ramp

primary

#CA1537

secondary

#66D5C0

accent

#F8D230

background

#FFF7F6

surface

#FFEDEB

border

#D7C8C6

text

#180807

muted

#867B7A

Preview Lab

Preview with #CA1537

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

Preview Lab → · Contrast checker → · Palette generator →