#CB3C3A#CB3C3A

#CB3C3A is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.7% C 0.180 H 25.7°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#CB3C3A
RGB	rgb(203, 60, 58)
HSL	hsl(1, 58%, 51%)
HSV	hsv(1, 71%, 80%)
CMYK	cmyk(0%, 70.4%, 71.4%, 20.4%)
CIE-LAB	lab(47.28, 55.95, 34.23)
CIE-LCH	lch(47.28, 65.59, 31.46°)
OKLab	oklab(56.71% 0.1625 0.0782)
OKLCH	oklch(56.71% 0.18 25.7)
XYZ	xyz(27.0112, 16.2377, 5.7141)
Luminance	0.1623 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3C3A #3AC9CB

analogous

#CB3A80 #CB3C3A #CB843A

triadic

#CB3C3A #3ACB3C #3C3ACB

tetradic

#CB3C3A #80CB3A #3AC9CB #843ACB

square

#CB3C3A #80CB3A #3AC9CB #843ACB

split-complementary

#CB3C3A #3ACB84 #3A80CB

monochromatic

#6E1E1D #9E2B2A #CB3C3A #D86C6A #E59C9B

Accessibility & contrast

On white

4.94

#CB3C3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#CB3C3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3C3A

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3C3A	#FFFFFF	#000000	##FFFFFF
##CB3C3A	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C38

Deuteranopia (green-blind)

#897B35

Tritanopia (blue-blind)

#DF053D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3c3a;
/* rgb */ color: rgb(203, 60, 58);
/* oklch */ color: oklch(56.7% 0.180 25.7);

Tailwind

colors: {
  custom: {
    50: '#e37b70',
    500: '#cb3c3a',
    950: '#000000',
  },
}

SCSS

$custom: #cb3c3a;
$custom-light: #e37b70;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3c3a",
  "rgb": {
    "r": 203,
    "g": 60,
    "b": 58
  },
  "hsl": {
    "h": 0.828,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56712,
    "c": 0.18033,
    "h": 25.7
  },
  "luminance": 0.16234
}

Semantic roles & 50–950 ramp

primary

#CB3C3A

secondary

#90D0D0

accent

#DFE146

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB3C3A

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

Preview Lab → · Contrast checker → · Palette generator →