#CA3F38#CA3F38

#CA3F38 is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.8% C 0.177 H 27.2°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#CA3F38
RGB	rgb(202, 63, 56)
HSL	hsl(3, 58%, 51%)
HSV	hsv(3, 72%, 79%)
CMYK	cmyk(0%, 68.8%, 72.3%, 20.8%)
CIE-LAB	lab(47.50, 54.39, 35.58)
CIE-LCH	lch(47.50, 64.99, 33.19°)
OKLab	oklab(56.83% 0.1573 0.0808)
OKLCH	oklch(56.83% 0.177 27.2)
XYZ	xyz(26.8514, 16.4011, 5.4925)
Luminance	0.1640 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3F38 #38C3CA

analogous

#CA387A #CA3F38 #CA8838

triadic

#CA3F38 #38CA3F #3F38CA

tetradic

#CA3F38 #7ACA38 #38C3CA #8838CA

square

#CA3F38 #7ACA38 #38C3CA #8838CA

split-complementary

#CA3F38 #38CA88 #387ACA

monochromatic

#6B201D #9B2F29 #CA3F38 #D76E68 #E49C99

Accessibility & contrast

On white

4.91

#CA3F38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#CA3F38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3F38

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3F38	#FFFFFF	#000000	##FFFFFF
##CA3F38	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D36

Deuteranopia (green-blind)

#897C33

Tritanopia (blue-blind)

#DE113F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #ca3f38;
/* rgb */ color: rgb(202, 63, 56);
/* oklch */ color: oklch(56.8% 0.177 27.2);

Tailwind

colors: {
  custom: {
    50: '#e27c6f',
    500: '#ca3f38',
    950: '#000000',
  },
}

SCSS

$custom: #ca3f38;
$custom-light: #e27c6f;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3f38",
  "rgb": {
    "r": 202,
    "g": 63,
    "b": 56
  },
  "hsl": {
    "h": 2.877,
    "s": 57.937,
    "l": 50.588
  },
  "oklch": {
    "l": 0.56828,
    "c": 0.17681,
    "h": 27.2
  },
  "luminance": 0.16397
}

Semantic roles & 50–950 ramp

primary

#CA3F38

secondary

#8ECCCF

accent

#DAE147

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CA3F38

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

Preview Lab → · Contrast checker → · Palette generator →