#DD181F#DD181F

#DD181F is a mid, highly saturated red. Relative luminance 0.161; OKLCH L 57.1% C 0.223 H 27.2°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#DD181F
RGB	rgb(221, 24, 31)
HSL	hsl(358, 80%, 48%)
HSV	hsv(358, 89%, 87%)
CMYK	cmyk(0%, 89.1%, 86%, 13.3%)
CIE-LAB	lab(47.14, 69.75, 49.77)
CIE-LCH	lch(47.14, 85.69, 35.51°)
OKLab	oklab(57.14% 0.1986 0.1021)
OKLCH	oklch(57.14% 0.223 27.2)
XYZ	xyz(30.3967, 16.1295, 2.8089)
Luminance	0.1612 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DD181F #18DDD6

analogous

#DD1881 #DD181F #DD7318

triadic

#DD181F #1FDD18 #181FDD

tetradic

#DD181F #81DD18 #18DDD6 #7318DD

square

#DD181F #81DD18 #18DDD6 #7318DD

split-complementary

#DD181F #18DD73 #1881DD

monochromatic

#6F0C10 #A61217 #DD181F #EB474D #F17E82

Accessibility & contrast

On white

4.97

#DD181F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#DD181F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #DD181F

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DD181F	#FFFFFF	#000000	##FFFFFF
##DD181F	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60551B

Deuteranopia (green-blind)

#8E7E10

Tritanopia (blue-blind)

#F4001F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #dd181f;
/* rgb */ color: rgb(221, 24, 31);
/* oklch */ color: oklch(57.1% 0.223 27.2);

Tailwind

colors: {
  custom: {
    50: '#f3705d',
    500: '#dd181f',
    950: '#000000',
  },
}

SCSS

$custom: #dd181f;
$custom-light: #f3705d;
$custom-dark: #000000;

JSON

{
  "hex": "#dd181f",
  "rgb": {
    "r": 221,
    "g": 24,
    "b": 31
  },
  "hsl": {
    "h": 357.868,
    "s": 80.408,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57139,
    "c": 0.22332,
    "h": 27.2
  },
  "luminance": 0.16124
}

Semantic roles & 50–950 ramp

primary

#DD181F

secondary

#78D9D6

accent

#F7F031

background

#FFF7F5

surface

#FFEDE9

border

#D7C8C5

text

#190904

muted

#867B79

Preview Lab

Preview with #DD181F

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

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