#DA3937#DA3937

#DA3937 is a mid, vivid red. Relative luminance 0.181; OKLCH L 59.0% C 0.198 H 26.3°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#DA3937
RGB	rgb(218, 57, 55)
HSL	hsl(1, 69%, 54%)
HSV	hsv(1, 75%, 85%)
CMYK	cmyk(0%, 73.9%, 74.8%, 14.5%)
CIE-LAB	lab(49.63, 61.54, 39.34)
CIE-LCH	lch(49.63, 73.04, 32.59°)
OKLab	oklab(58.95% 0.1777 0.0878)
OKLCH	oklch(58.95% 0.198 26.3)
XYZ	xyz(31.0698, 18.1123, 5.4738)
Luminance	0.1811 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DA3937 #37D8DA

analogous

#DA3786 #DA3937 #DA8A37

triadic

#DA3937 #37DA39 #3937DA

tetradic

#DA3937 #86DA37 #37D8DA #8A37DA

square

#DA3937 #86DA37 #37D8DA #8A37DA

split-complementary

#DA3937 #37DA8A #3786DA

monochromatic

#7F1918 #B32321 #DA3937 #E46C6B #ED9F9E

Accessibility & contrast

On white

4.54

#DA3937 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#DA3937 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #DA3937

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DA3937	#FFFFFF	#000000	##000000
##DA3937	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#696035

Deuteranopia (green-blind)

#918331

Tritanopia (blue-blind)

#F0003B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #da3937;
/* rgb */ color: rgb(218, 57, 55);
/* oklch */ color: oklch(59.0% 0.198 26.3);

Tailwind

colors: {
  custom: {
    50: '#ef7b6e',
    500: '#da3937',
    950: '#000000',
  },
}

SCSS

$custom: #da3937;
$custom-light: #ef7b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#da3937",
  "rgb": {
    "r": 218,
    "g": 57,
    "b": 55
  },
  "hsl": {
    "h": 0.736,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58953,
    "c": 0.19822,
    "h": 26.3
  },
  "luminance": 0.18108
}

Semantic roles & 50–950 ramp

primary

#DA3937

secondary

#93D8D9

accent

#E9EC3C

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #DA3937

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

Preview Lab → · Contrast checker → · Palette generator →