#DA3731#DA3731

#DA3731 is a mid, highly saturated red. Relative luminance 0.179; OKLCH L 58.7% C 0.201 H 27.5°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#DA3731
RGB	rgb(218, 55, 49)
HSL	hsl(2, 70%, 52%)
HSV	hsv(2, 78%, 85%)
CMYK	cmyk(0%, 74.8%, 77.5%, 14.5%)
CIE-LAB	lab(49.33, 61.97, 42.34)
CIE-LCH	lch(49.33, 75.05, 34.34°)
OKLab	oklab(58.71% 0.1779 0.0927)
OKLCH	oklch(58.71% 0.201 27.5)
XYZ	xyz(30.8377, 17.8644, 4.7296)
Luminance	0.1786 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DA3731 #31D4DA

analogous

#DA3180 #DA3731 #DA8B31

triadic

#DA3731 #31DA37 #3731DA

tetradic

#DA3731 #80DA31 #31D4DA #8B31DA

square

#DA3731 #80DA31 #31D4DA #8B31DA

split-complementary

#DA3731 #31DA8B #3180DA

monochromatic

#7B1A16 #AE241F #DA3731 #E36965 #ED9C99

Accessibility & contrast

On white

4.59

#DA3731 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#DA3731 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #DA3731

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DA3731	#FFFFFF	#000000	##FFFFFF
##DA3731	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#695F2E

Deuteranopia (green-blind)

#91822A

Tritanopia (blue-blind)

#F00038

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #da3731;
/* rgb */ color: rgb(218, 55, 49);
/* oklch */ color: oklch(58.7% 0.201 27.5);

Tailwind

colors: {
  custom: {
    50: '#ef7a6a',
    500: '#da3731',
    950: '#000000',
  },
}

SCSS

$custom: #da3731;
$custom-light: #ef7a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#da3731",
  "rgb": {
    "r": 218,
    "g": 55,
    "b": 49
  },
  "hsl": {
    "h": 2.13,
    "s": 69.547,
    "l": 52.353
  },
  "oklch": {
    "l": 0.58708,
    "c": 0.20057,
    "h": 27.5
  },
  "luminance": 0.1786
}

Semantic roles & 50–950 ramp

primary

#DA3731

secondary

#8FD6D8

accent

#E6EC3B

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#190A06

muted

#867C7A

Preview Lab

Preview with #DA3731

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

Preview Lab → · Contrast checker → · Palette generator →