#CB3D3A#CB3D3A

#CB3D3A is a mid, vivid red. Relative luminance 0.163; OKLCH L 56.8% C 0.179 H 26.0°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#CB3D3A
RGB	rgb(203, 61, 58)
HSL	hsl(1, 58%, 51%)
HSV	hsv(1, 71%, 80%)
CMYK	cmyk(0%, 70%, 71.4%, 20.4%)
CIE-LAB	lab(47.42, 55.57, 34.39)
CIE-LCH	lch(47.42, 65.35, 31.75°)
OKLab	oklab(56.81% 0.1613 0.0785)
OKLCH	oklch(56.81% 0.179 26)
XYZ	xyz(27.0641, 16.3435, 5.7317)
Luminance	0.1634 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3D3A #3AC8CB

analogous

#CB3A7F #CB3D3A #CB853A

triadic

#CB3D3A #3ACB3D #3D3ACB

tetradic

#CB3D3A #7FCB3A #3AC8CB #853ACB

square

#CB3D3A #7FCB3A #3AC8CB #853ACB

split-complementary

#CB3D3A #3ACB85 #3A7FCB

monochromatic

#6E1F1D #9E2C2A #CB3D3A #D86D6A #E59C9B

Accessibility & contrast

On white

4.92

#CB3D3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#CB3D3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3D3A

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3D3A	#FFFFFF	#000000	##FFFFFF
##CB3D3A	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655D38

Deuteranopia (green-blind)

#897C35

Tritanopia (blue-blind)

#DF093E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3d3a;
/* rgb */ color: rgb(203, 61, 58);
/* oklch */ color: oklch(56.8% 0.179 26.0);

Tailwind

colors: {
  custom: {
    50: '#e37b70',
    500: '#cb3d3a',
    950: '#000000',
  },
}

SCSS

$custom: #cb3d3a;
$custom-light: #e37b70;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3d3a",
  "rgb": {
    "r": 203,
    "g": 61,
    "b": 58
  },
  "hsl": {
    "h": 1.241,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56814,
    "c": 0.17941,
    "h": 26
  },
  "luminance": 0.16339
}

Semantic roles & 50–950 ramp

primary

#CB3D3A

secondary

#90CFD0

accent

#DEE146

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB3D3A

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

Preview Lab → · Contrast checker → · Palette generator →