#DA3738#DA3738

#DA3738 is a mid, vivid red. Relative luminance 0.179; OKLCH L 58.8% C 0.200 H 25.6°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#DA3738
RGB	rgb(218, 55, 56)
HSL	hsl(360, 69%, 54%)
HSV	hsv(360, 75%, 85%)
CMYK	cmyk(0%, 74.8%, 74.3%, 14.5%)
CIE-LAB	lab(49.41, 62.23, 38.53)
CIE-LCH	lch(49.41, 73.19, 31.77°)
OKLab	oklab(58.79% 0.1801 0.0862)
OKLCH	oklch(58.79% 0.2 25.6)
XYZ	xyz(30.9971, 17.9282, 5.5690)
Luminance	0.1792 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DA3738 #37DAD9

analogous

#DA3789 #DA3738 #DA8737

triadic

#DA3738 #38DA37 #3738DA

tetradic

#DA3738 #89DA37 #37DAD9 #8737DA

square

#DA3738 #89DA37 #37DAD9 #8737DA

split-complementary

#DA3738 #37DA87 #3789DA

monochromatic

#7F1818 #B32122 #DA3738 #E46B6B #ED9E9F

Accessibility & contrast

On white

4.58

#DA3738 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#DA3738 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #DA3738

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DA3738	#FFFFFF	#000000	##000000
##DA3738	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#685F36

Deuteranopia (green-blind)

#918232

Tritanopia (blue-blind)

#F0003A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #da3738;
/* rgb */ color: rgb(218, 55, 56);
/* oklch */ color: oklch(58.8% 0.200 25.6);

Tailwind

colors: {
  custom: {
    50: '#ef7b6f',
    500: '#da3738',
    950: '#000000',
  },
}

SCSS

$custom: #da3738;
$custom-light: #ef7b6f;
$custom-dark: #000000;

JSON

{
  "hex": "#da3738",
  "rgb": {
    "r": 218,
    "g": 55,
    "b": 56
  },
  "hsl": {
    "h": 359.632,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.5879,
    "c": 0.1997,
    "h": 25.6
  },
  "luminance": 0.17923
}

Semantic roles & 50–950 ramp

primary

#DA3738

secondary

#93D9D9

accent

#ECEB3C

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #DA3738

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

Preview Lab → · Contrast checker → · Palette generator →