#DA3837#DA3837

#DA3837 is a mid, vivid red. Relative luminance 0.180; OKLCH L 58.9% C 0.199 H 26.1°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#DA3837
RGB	rgb(218, 56, 55)
HSL	hsl(0, 69%, 54%)
HSV	hsv(0, 75%, 85%)
CMYK	cmyk(0%, 74.3%, 74.8%, 14.5%)
CIE-LAB	lab(49.51, 61.86, 39.21)
CIE-LCH	lch(49.51, 73.25, 32.37°)
OKLab	oklab(58.87% 0.1788 0.0875)
OKLCH	oklch(58.87% 0.199 26.1)
XYZ	xyz(31.0208, 18.0144, 5.4574)
Luminance	0.1801 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DA3837 #37D9DA

analogous

#DA3787 #DA3837 #DA8937

triadic

#DA3837 #37DA38 #3837DA

tetradic

#DA3837 #87DA37 #37D9DA #8937DA

square

#DA3837 #87DA37 #37D9DA #8937DA

split-complementary

#DA3837 #37DA89 #3787DA

monochromatic

#7F1818 #B32221 #DA3837 #E46B6B #ED9F9E

Accessibility & contrast

On white

4.56

#DA3837 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#DA3837 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #DA3837

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DA3837	#FFFFFF	#000000	##000000
##DA3837	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#695F35

Deuteranopia (green-blind)

#918231

Tritanopia (blue-blind)

#F0003A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #da3837;
/* rgb */ color: rgb(218, 56, 55);
/* oklch */ color: oklch(58.9% 0.199 26.1);

Tailwind

colors: {
  custom: {
    50: '#ef7b6e',
    500: '#da3837',
    950: '#000000',
  },
}

SCSS

$custom: #da3837;
$custom-light: #ef7b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#da3837",
  "rgb": {
    "r": 218,
    "g": 56,
    "b": 55
  },
  "hsl": {
    "h": 0.368,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58865,
    "c": 0.19902,
    "h": 26.1
  },
  "luminance": 0.1801
}

Semantic roles & 50–950 ramp

primary

#DA3837

secondary

#93D9D9

accent

#EBEC3C

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #DA3837

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

Preview Lab → · Contrast checker → · Palette generator →