#CB3A3D#CB3A3D

#CB3A3D is a mid, vivid red. Relative luminance 0.161; OKLCH L 56.6% C 0.182 H 24.1°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#CB3A3D
RGB	rgb(203, 58, 61)
HSL	hsl(359, 58%, 51%)
HSV	hsv(359, 71%, 80%)
CMYK	cmyk(0%, 71.4%, 70%, 20.4%)
CIE-LAB	lab(47.06, 56.83, 32.22)
CIE-LCH	lch(47.06, 65.33, 29.55°)
OKLab	oklab(56.56% 0.1659 0.0743)
OKLCH	oklch(56.56% 0.182 24.1)
XYZ	xyz(26.9869, 16.0636, 6.0935)
Luminance	0.1606 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3A3D #3ACBC8

analogous

#CB3A85 #CB3A3D #CB7F3A

triadic

#CB3A3D #3DCB3A #3A3DCB

tetradic

#CB3A3D #85CB3A #3ACBC8 #7F3ACB

square

#CB3A3D #85CB3A #3ACBC8 #7F3ACB

split-complementary

#CB3A3D #3ACB7F #3A85CB

monochromatic

#6E1D1F #9E2A2C #CB3A3D #D86A6D #E59B9C

Accessibility & contrast

On white

4.99

#CB3A3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#CB3A3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3A3D

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3A3D	#FFFFFF	#000000	##FFFFFF
##CB3A3D	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635C3C

Deuteranopia (green-blind)

#887B38

Tritanopia (blue-blind)

#DF003D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3a3d;
/* rgb */ color: rgb(203, 58, 61);
/* oklch */ color: oklch(56.6% 0.182 24.1);

Tailwind

colors: {
  custom: {
    50: '#e37a72',
    500: '#cb3a3d',
    950: '#000000',
  },
}

SCSS

$custom: #cb3a3d;
$custom-light: #e37a72;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3a3d",
  "rgb": {
    "r": 203,
    "g": 58,
    "b": 61
  },
  "hsl": {
    "h": 358.759,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56555,
    "c": 0.1818,
    "h": 24.1
  },
  "luminance": 0.1606
}

Semantic roles & 50–950 ramp

primary

#CB3A3D

secondary

#90D0CF

accent

#E1DE46

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3A3D

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

Preview Lab → · Contrast checker → · Palette generator →