#DD3734#DD3734

#DD3734 is a mid, highly saturated red. Relative luminance 0.184; OKLCH L 59.3% C 0.203 H 26.8°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#DD3734
RGB	rgb(221, 55, 52)
HSL	hsl(1, 71%, 54%)
HSV	hsv(1, 76%, 87%)
CMYK	cmyk(0%, 75.1%, 76.5%, 13.3%)
CIE-LAB	lab(49.93, 62.97, 41.49)
CIE-LCH	lch(49.93, 75.41, 33.38°)
OKLab	oklab(59.26% 0.1813 0.0915)
OKLCH	oklch(59.26% 0.203 26.8)
XYZ	xyz(31.8086, 18.3575, 5.1166)
Luminance	0.1835 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DD3734 #34DADD

analogous

#DD3485 #DD3734 #DD8B34

triadic

#DD3734 #34DD37 #3734DD

tetradic

#DD3734 #85DD34 #34DADD #8B34DD

square

#DD3734 #85DD34 #34DADD #8B34DD

split-complementary

#DD3734 #34DD8B #3485DD

monochromatic

#811816 #B5211E #DD3734 #E66B68 #EF9E9D

Accessibility & contrast

On white

4.50

#DD3734 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#DD3734 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #DD3734

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DD3734	#FFFFFF	#000000	##000000
##DD3734	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6032

Deuteranopia (green-blind)

#93842D

Tritanopia (blue-blind)

#F30039

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #dd3734;
/* rgb */ color: rgb(221, 55, 52);
/* oklch */ color: oklch(59.3% 0.203 26.8);

Tailwind

colors: {
  custom: {
    50: '#f17b6c',
    500: '#dd3734',
    950: '#000000',
  },
}

SCSS

$custom: #dd3734;
$custom-light: #f17b6c;
$custom-dark: #000000;

JSON

{
  "hex": "#dd3734",
  "rgb": {
    "r": 221,
    "g": 55,
    "b": 52
  },
  "hsl": {
    "h": 1.065,
    "s": 71.308,
    "l": 53.529
  },
  "oklch": {
    "l": 0.59263,
    "c": 0.20305,
    "h": 26.8
  },
  "luminance": 0.18352
}

Semantic roles & 50–950 ramp

primary

#DD3734

secondary

#92D9DB

accent

#EBEE3A

background

#FFF8F6

surface

#FFEFEB

border

#D7CAC6

text

#190A07

muted

#867C7A

Preview Lab

Preview with #DD3734

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

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