#DD403F#DD403F

#DD403F is a mid, vivid red. Relative luminance 0.194; OKLCH L 60.2% C 0.194 H 25.5°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#DD403F
RGB	rgb(221, 64, 63)
HSL	hsl(0, 70%, 56%)
HSV	hsv(0, 71%, 87%)
CMYK	cmyk(0%, 71%, 71.5%, 13.3%)
CIE-LAB	lab(51.16, 60.37, 36.70)
CIE-LCH	lch(51.16, 70.65, 31.30°)
OKLab	oklab(60.22% 0.1753 0.0836)
OKLCH	oklch(60.22% 0.194 25.5)
XYZ	xyz(32.5530, 19.4027, 6.7327)
Luminance	0.1940 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DD403F #3FDCDD

analogous

#DD3F8D #DD403F #DD8F3F

triadic

#DD403F #3FDD40 #403FDD

tetradic

#DD403F #8DDD3F #3FDCDD #8F3FDD

square

#DD403F #8DDD3F #3FDCDD #8F3FDD

split-complementary

#DD403F #3FDD8F #3F8DDD

monochromatic

#891918 #BD2322 #DD403F #E67473 #EFA7A7

Accessibility & contrast

On white

4.30

#DD403F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#DD403F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #DD403F

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DD403F	#FFFFFF	#000000	##000000
##DD403F	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D643D

Deuteranopia (green-blind)

#95863A

Tritanopia (blue-blind)

#F30042

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #dd403f;
/* rgb */ color: rgb(221, 64, 63);
/* oklch */ color: oklch(60.2% 0.194 25.5);

Tailwind

colors: {
  custom: {
    50: '#f07f74',
    500: '#dd403f',
    950: '#000000',
  },
}

SCSS

$custom: #dd403f;
$custom-light: #f07f74;
$custom-dark: #000000;

JSON

{
  "hex": "#dd403f",
  "rgb": {
    "r": 221,
    "g": 64,
    "b": 63
  },
  "hsl": {
    "h": 0.38,
    "s": 69.912,
    "l": 55.686
  },
  "oklch": {
    "l": 0.6022,
    "c": 0.19423,
    "h": 25.5
  },
  "luminance": 0.19398
}

Semantic roles & 50–950 ramp

primary

#DD403F

secondary

#9BDCDD

accent

#ECED3B

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#180B08

muted

#867C7B

Preview Lab

Preview with #DD403F

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

Preview Lab → · Contrast checker → · Palette generator →