#CA3734#CA3734

#CA3734 is a mid, vivid red. Relative luminance 0.155; OKLCH L 56.0% C 0.185 H 26.4°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#CA3734
RGB	rgb(202, 55, 52)
HSL	hsl(1, 59%, 50%)
HSV	hsv(1, 74%, 79%)
CMYK	cmyk(0%, 72.8%, 74.3%, 20.8%)
CIE-LAB	lab(46.37, 57.19, 36.58)
CIE-LCH	lch(46.37, 67.89, 32.60°)
OKLab	oklab(55.97% 0.1653 0.0821)
OKLCH	oklch(55.97% 0.185 26.4)
XYZ	xyz(26.3462, 15.5409, 4.8606)
Luminance	0.1554 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3734 #34C7CA

analogous

#CA347C #CA3734 #CA8234

triadic

#CA3734 #34CA37 #3734CA

tetradic

#CA3734 #7CCA34 #34C7CA #8234CA

square

#CA3734 #7CCA34 #34C7CA #8234CA

split-complementary

#CA3734 #34CA82 #347CCA

monochromatic

#691C1B #992A27 #CA3734 #D76664 #E49695

Accessibility & contrast

On white

5.11

#CA3734 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#CA3734 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3734

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3734	#FFFFFF	#000000	##FFFFFF
##CA3734	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)

#625A32

Deuteranopia (green-blind)

#87792F

Tritanopia (blue-blind)

#DE0038

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ca3734;
/* rgb */ color: rgb(202, 55, 52);
/* oklch */ color: oklch(56.0% 0.185 26.4);

Tailwind

colors: {
  custom: {
    50: '#e3786c',
    500: '#ca3734',
    950: '#000000',
  },
}

SCSS

$custom: #ca3734;
$custom-light: #e3786c;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3734",
  "rgb": {
    "r": 202,
    "g": 55,
    "b": 52
  },
  "hsl": {
    "h": 1.2,
    "s": 59.055,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55968,
    "c": 0.18453,
    "h": 26.4
  },
  "luminance": 0.15537
}

Semantic roles & 50–950 ramp

primary

#CA3734

secondary

#8BCDCF

accent

#DFE246

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CA3734

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

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