#D23333#D23333

#D23333 is a mid, vivid red. Relative luminance 0.163; OKLCH L 57.0% C 0.196 H 26.0°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#D23333
RGB	rgb(210, 51, 51)
HSL	hsl(0, 64%, 51%)
HSV	hsv(0, 76%, 82%)
CMYK	cmyk(0%, 75.7%, 75.7%, 17.6%)
CIE-LAB	lab(47.38, 60.93, 38.69)
CIE-LCH	lch(47.38, 72.17, 32.42°)
OKLab	oklab(56.99% 0.1759 0.0859)
OKLCH	oklch(56.99% 0.196 26)
XYZ	xyz(28.3631, 16.3128, 4.7866)
Luminance	0.1631 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D23333 #33D2D2

analogous

#D23382 #D23333 #D28233

triadic

#D23333 #33D233 #3333D2

tetradic

#D23333 #82D233 #33D2D2 #8233D2

square

#D23333 #82D233 #33D2D2 #8233D2

split-complementary

#D23333 #33D282 #3382D2

monochromatic

#721919 #A42424 #D23333 #DD6565 #E89797

Accessibility & contrast

On white

4.93

#D23333 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#D23333 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D23333

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D23333	#FFFFFF	#000000	##FFFFFF
##D23333	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645A31

Deuteranopia (green-blind)

#8B7D2D

Tritanopia (blue-blind)

#E70035

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #d23333;
/* rgb */ color: rgb(210, 51, 51);
/* oklch */ color: oklch(57.0% 0.196 26.0);

Tailwind

colors: {
  custom: {
    50: '#e9786b',
    500: '#d23333',
    950: '#000000',
  },
}

SCSS

$custom: #d23333;
$custom-light: #e9786b;
$custom-dark: #000000;

JSON

{
  "hex": "#d23333",
  "rgb": {
    "r": 210,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 0,
    "s": 63.855,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56993,
    "c": 0.19576,
    "h": 26
  },
  "luminance": 0.16308
}

Semantic roles & 50–950 ramp

primary

#D23333

secondary

#8DD4D4

accent

#E7E741

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D23333

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

Preview Lab → · Contrast checker → · Palette generator →