#DD3940#DD3940

#DD3940 is a mid, highly saturated red. Relative luminance 0.187; OKLCH L 59.6% C 0.200 H 23.7°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#DD3940
RGB	rgb(221, 57, 64)
HSL	hsl(357, 71%, 55%)
HSV	hsv(357, 74%, 87%)
CMYK	cmyk(0%, 74.2%, 71%, 13.3%)
CIE-LAB	lab(50.30, 62.81, 35.13)
CIE-LCH	lch(50.30, 71.97, 29.22°)
OKLab	oklab(59.59% 0.1833 0.0803)
OKLCH	oklch(59.59% 0.2 23.7)
XYZ	xyz(32.2110, 18.6735, 6.7578)
Luminance	0.1867 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DD3940 #39DDD6

analogous

#DD3992 #DD3940 #DD8439

triadic

#DD3940 #40DD39 #3940DD

tetradic

#DD3940 #92DD39 #39DDD6 #8439DD

square

#DD3940 #92DD39 #39DDD6 #8439DD

split-complementary

#DD3940 #39DD84 #3992DD

monochromatic

#85171B #B92026 #DD3940 #E66D72 #EFA1A5

Accessibility & contrast

On white

4.44

#DD3940 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#DD3940 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #DD3940

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DD3940	#FFFFFF	#000000	##000000
##DD3940	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#69613F

Deuteranopia (green-blind)

#92843A

Tritanopia (blue-blind)

#F3003D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #dd3940;
/* rgb */ color: rgb(221, 57, 64);
/* oklch */ color: oklch(59.6% 0.200 23.7);

Tailwind

colors: {
  custom: {
    50: '#f07c75',
    500: '#dd3940',
    950: '#000000',
  },
}

SCSS

$custom: #dd3940;
$custom-light: #f07c75;
$custom-dark: #000000;

JSON

{
  "hex": "#dd3940",
  "rgb": {
    "r": 221,
    "g": 57,
    "b": 64
  },
  "hsl": {
    "h": 357.439,
    "s": 70.69,
    "l": 54.51
  },
  "oklch": {
    "l": 0.59589,
    "c": 0.20012,
    "h": 23.7
  },
  "luminance": 0.18669
}

Semantic roles & 50–950 ramp

primary

#DD3940

secondary

#96DCD9

accent

#EDE63A

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#180A08

muted

#867C7B

Preview Lab

Preview with #DD3940

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

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