#DA3633#DA3633

#DA3633 is a mid, highly saturated red. Relative luminance 0.178; OKLCH L 58.6% C 0.201 H 26.8°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#DA3633
RGB	rgb(218, 54, 51)
HSL	hsl(1, 69%, 53%)
HSV	hsv(1, 77%, 85%)
CMYK	cmyk(0%, 75.2%, 76.6%, 14.5%)
CIE-LAB	lab(49.24, 62.36, 41.14)
CIE-LCH	lch(49.24, 74.71, 33.41°)
OKLab	oklab(58.65% 0.1795 0.0906)
OKLCH	oklch(58.65% 0.201 26.8)
XYZ	xyz(30.8338, 17.7876, 4.9412)
Luminance	0.1778 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DA3633 #33D7DA

analogous

#DA3383 #DA3633 #DA8A33

triadic

#DA3633 #33DA36 #3633DA

tetradic

#DA3633 #83DA33 #33D7DA #8A33DA

square

#DA3633 #83DA33 #33D7DA #8A33DA

split-complementary

#DA3633 #33DA8A #3383DA

monochromatic

#7C1817 #B02220 #DA3633 #E36967 #ED9C9B

Accessibility & contrast

On white

4.61

#DA3633 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#DA3633 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #DA3633

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DA3633	#FFFFFF	#000000	##FFFFFF
##DA3633	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685E31

Deuteranopia (green-blind)

#91822C

Tritanopia (blue-blind)

#F00038

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #da3633;
/* rgb */ color: rgb(218, 54, 51);
/* oklch */ color: oklch(58.6% 0.201 26.8);

Tailwind

colors: {
  custom: {
    50: '#ef7a6b',
    500: '#da3633',
    950: '#000000',
  },
}

SCSS

$custom: #da3633;
$custom-light: #ef7a6b;
$custom-dark: #000000;

JSON

{
  "hex": "#da3633",
  "rgb": {
    "r": 218,
    "g": 54,
    "b": 51
  },
  "hsl": {
    "h": 1.078,
    "s": 69.295,
    "l": 52.745
  },
  "oklch": {
    "l": 0.58645,
    "c": 0.20109,
    "h": 26.8
  },
  "luminance": 0.17783
}

Semantic roles & 50–950 ramp

primary

#DA3633

secondary

#90D7D9

accent

#E9EC3C

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#190A07

muted

#867C7A

Preview Lab

Preview with #DA3633

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

Preview Lab → · Contrast checker → · Palette generator →