#CD0000#CD0000

#CD0000 is a mid, highly saturated red. Relative luminance 0.130; OKLCH L 53.3% C 0.219 H 29.2°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#CD0000
RGB	rgb(205, 0, 0)
HSL	hsl(0, 100%, 40%)
HSV	hsv(0, 100%, 80%)
CMYK	cmyk(0%, 100%, 100%, 19.6%)
CIE-LAB	lab(42.74, 67.94, 57.01)
CIE-LCH	lch(42.74, 88.69, 40.00°)
OKLab	oklab(53.27% 0.1908 0.1068)
OKLCH	oklch(53.27% 0.219 29.2)
XYZ	xyz(25.1803, 12.9836, 1.1803)
Luminance	0.1298 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CD0000 #00CDCD

analogous

#CD0066 #CD0000 #CD6600

triadic

#CD0000 #00CD00 #0000CD

tetradic

#CD0000 #66CD00 #00CDCD #6600CD

square

#CD0000 #66CD00 #00CDCD #6600CD

split-complementary

#CD0000 #00CD66 #0066CD

monochromatic

#530000 #900000 #CD0000 #FF0B0B #FF4848

Accessibility & contrast

On white

5.84

#CD0000 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#CD0000 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CD0000

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CD0000	#FFFFFF	#000000	##FFFFFF
##CD0000	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564B00

Deuteranopia (green-blind)

#827300

Tritanopia (blue-blind)

#E3000A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #cd0000;
/* rgb */ color: rgb(205, 0, 0);
/* oklch */ color: oklch(53.3% 0.219 29.2);

Tailwind

colors: {
  custom: {
    50: '#e9694d',
    500: '#cd0000',
    950: '#000000',
  },
}

SCSS

$custom: #cd0000;
$custom-light: #e9694d;
$custom-dark: #000000;

JSON

{
  "hex": "#cd0000",
  "rgb": {
    "r": 205,
    "g": 0,
    "b": 0
  },
  "hsl": {
    "h": 0,
    "s": 100,
    "l": 40.196
  },
  "oklch": {
    "l": 0.53271,
    "c": 0.2186,
    "h": 29.2
  },
  "luminance": 0.12979
}

Semantic roles & 50–950 ramp

primary

#CD0000

secondary

#4ADFDF

accent

#FFFF29

background

#FFF7F4

surface

#FFEDE7

border

#D7C8C3

text

#190802

muted

#867B78

Preview Lab

Preview with #CD0000

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

Preview Lab → · Contrast checker → · Palette generator →