#DD3A3A#DD3A3A

#DD3A3A is a mid, vivid red. Relative luminance 0.187; OKLCH L 59.6% C 0.200 H 25.7°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#DD3A3A
RGB	rgb(221, 58, 58)
HSL	hsl(0, 71%, 55%)
HSV	hsv(0, 74%, 87%)
CMYK	cmyk(0%, 73.8%, 73.8%, 13.3%)
CIE-LAB	lab(50.34, 62.23, 38.61)
CIE-LCH	lch(50.34, 73.23, 31.82°)
OKLab	oklab(59.6% 0.1802 0.0867)
OKLCH	oklch(59.6% 0.2 25.7)
XYZ	xyz(32.0993, 18.7087, 5.9231)
Luminance	0.1870 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DD3A3A #3ADDDD

analogous

#DD3A8C #DD3A3A #DD8C3A

triadic

#DD3A3A #3ADD3A #3A3ADD

tetradic

#DD3A3A #8CDD3A #3ADDDD #8C3ADD

square

#DD3A3A #8CDD3A #3ADDDD #8C3ADD

split-complementary

#DD3A3A #3ADD8C #3A8CDD

monochromatic

#861717 #BA2020 #DD3A3A #E66E6E #EFA2A2

Accessibility & contrast

On white

4.43

#DD3A3A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#DD3A3A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #DD3A3A

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DD3A3A	#FFFFFF	#000000	##000000
##DD3A3A	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B6138

Deuteranopia (green-blind)

#938534

Tritanopia (blue-blind)

#F3003C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #dd3a3a;
/* rgb */ color: rgb(221, 58, 58);
/* oklch */ color: oklch(59.6% 0.200 25.7);

Tailwind

colors: {
  custom: {
    50: '#f17c71',
    500: '#dd3a3a',
    950: '#000000',
  },
}

SCSS

$custom: #dd3a3a;
$custom-light: #f17c71;
$custom-dark: #000000;

JSON

{
  "hex": "#dd3a3a",
  "rgb": {
    "r": 221,
    "g": 58,
    "b": 58
  },
  "hsl": {
    "h": 0,
    "s": 70.563,
    "l": 54.706
  },
  "oklch": {
    "l": 0.59596,
    "c": 0.19994,
    "h": 25.7
  },
  "luminance": 0.18704
}

Semantic roles & 50–950 ramp

primary

#DD3A3A

secondary

#97DCDC

accent

#EDED3A

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#190B07

muted

#867C7A

Preview Lab

Preview with #DD3A3A

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

Preview Lab → · Contrast checker → · Palette generator →