#CB3D33#CB3D33

#CB3D33 is a mid, vivid red. Relative luminance 0.163; OKLCH L 56.7% C 0.180 H 28.3°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#CB3D33
RGB	rgb(203, 61, 51)
HSL	hsl(4, 60%, 50%)
HSV	hsv(4, 75%, 80%)
CMYK	cmyk(0%, 70%, 74.9%, 20.4%)
CIE-LAB	lab(47.34, 55.27, 38.27)
CIE-LCH	lch(47.34, 67.23, 34.70°)
OKLab	oklab(56.72% 0.1589 0.0854)
OKLCH	oklch(56.72% 0.18 28.3)
XYZ	xyz(26.8979, 16.2771, 4.8568)
Luminance	0.1627 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3D33 #33C1CB

analogous

#CB3375 #CB3D33 #CB8933

triadic

#CB3D33 #33CB3D #3D33CB

tetradic

#CB3D33 #75CB33 #33C1CB #8933CB

square

#CB3D33 #75CB33 #33C1CB #8933CB

split-complementary

#CB3D33 #33CB89 #3375CB

monochromatic

#69201A #9A2E27 #CB3D33 #D86B63 #E49994

Accessibility & contrast

On white

4.94

#CB3D33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#CB3D33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3D33

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3D33	#FFFFFF	#000000	##FFFFFF
##CB3D33	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)

#665D31

Deuteranopia (green-blind)

#897C2E

Tritanopia (blue-blind)

#DF053C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3d33;
/* rgb */ color: rgb(203, 61, 51);
/* oklch */ color: oklch(56.7% 0.180 28.3);

Tailwind

colors: {
  custom: {
    50: '#e47b6b',
    500: '#cb3d33',
    950: '#000000',
  },
}

SCSS

$custom: #cb3d33;
$custom-light: #e47b6b;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3d33",
  "rgb": {
    "r": 203,
    "g": 61,
    "b": 51
  },
  "hsl": {
    "h": 3.947,
    "s": 59.843,
    "l": 49.804
  },
  "oklch": {
    "l": 0.56722,
    "c": 0.18043,
    "h": 28.3
  },
  "luminance": 0.16273
}

Semantic roles & 50–950 ramp

primary

#CB3D33

secondary

#8BCBCF

accent

#D9E345

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB3D33

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

Preview Lab → · Contrast checker → · Palette generator →