#D33E3D#D33E3D

#D33E3D is a mid, vivid red. Relative luminance 0.176; OKLCH L 58.3% C 0.186 H 25.4°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#D33E3D
RGB	rgb(211, 62, 61)
HSL	hsl(0, 63%, 53%)
HSV	hsv(0, 71%, 83%)
CMYK	cmyk(0%, 70.6%, 71.1%, 17.3%)
CIE-LAB	lab(49.05, 57.88, 34.93)
CIE-LCH	lch(49.05, 67.60, 31.11°)
OKLab	oklab(58.31% 0.1683 0.0799)
OKLCH	oklch(58.31% 0.186 25.4)
XYZ	xyz(29.4322, 17.6355, 6.2682)
Luminance	0.1763 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33E3D #3DD2D3

analogous

#D33D87 #D33E3D #D3893D

triadic

#D33E3D #3DD33E #3E3DD3

tetradic

#D33E3D #87D33D #3DD2D3 #893DD3

square

#D33E3D #87D33D #3DD2D3 #893DD3

split-complementary

#D33E3D #3DD389 #3D87D3

monochromatic

#7A1C1C #AC2827 #D33E3D #DE706F #EAA1A1

Accessibility & contrast

On white

4.64

#D33E3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#D33E3D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D33E3D

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33E3D	#FFFFFF	#000000	##FFFFFF
##D33E3D	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69603B

Deuteranopia (green-blind)

#8E8038

Tritanopia (blue-blind)

#E80240

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #d33e3d;
/* rgb */ color: rgb(211, 62, 61);
/* oklch */ color: oklch(58.3% 0.186 25.4);

Tailwind

colors: {
  custom: {
    50: '#e97d73',
    500: '#d33e3d',
    950: '#000000',
  },
}

SCSS

$custom: #d33e3d;
$custom-light: #e97d73;
$custom-dark: #000000;

JSON

{
  "hex": "#d33e3d",
  "rgb": {
    "r": 211,
    "g": 62,
    "b": 61
  },
  "hsl": {
    "h": 0.4,
    "s": 63.025,
    "l": 53.333
  },
  "oklch": {
    "l": 0.5831,
    "c": 0.18625,
    "h": 25.4
  },
  "luminance": 0.17631
}

Semantic roles & 50–950 ramp

primary

#D33E3D

secondary

#96D6D6

accent

#E5E642

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180A08

muted

#867C7B

Preview Lab

Preview with #D33E3D

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

Preview Lab → · Contrast checker → · Palette generator →