#D7403F#D7403F

#D7403F is a mid, vivid red. Relative luminance 0.185; OKLCH L 59.2% C 0.188 H 25.3°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#D7403F
RGB	rgb(215, 64, 63)
HSL	hsl(0, 66%, 55%)
HSV	hsv(0, 71%, 84%)
CMYK	cmyk(0%, 70.2%, 70.7%, 15.7%)
CIE-LAB	lab(50.07, 58.49, 35.16)
CIE-LCH	lch(50.07, 68.25, 31.01°)
OKLab	oklab(59.21% 0.1701 0.0805)
OKLCH	oklch(59.21% 0.188 25.3)
XYZ	xyz(30.7583, 18.4773, 6.6485)
Luminance	0.1847 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D7403F #3FD6D7

analogous

#D73F8A #D7403F #D78C3F

triadic

#D7403F #3FD740 #403FD7

tetradic

#D7403F #8AD73F #3FD6D7 #8C3FD7

square

#D7403F #8AD73F #3FD6D7 #8C3FD7

split-complementary

#D7403F #3FD78C #3F8AD7

monochromatic

#811B1B #B32625 #D7403F #E27272 #ECA5A4

Accessibility & contrast

On white

4.47

#D7403F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#D7403F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #D7403F

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D7403F	#FFFFFF	#000000	##000000
##D7403F	1.00	4.47	4.69	4.69
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B623D

Deuteranopia (green-blind)

#91833A

Tritanopia (blue-blind)

#EC0642

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #d7403f;
/* rgb */ color: rgb(215, 64, 63);
/* oklch */ color: oklch(59.2% 0.188 25.3);

Tailwind

colors: {
  custom: {
    50: '#ec7e74',
    500: '#d7403f',
    950: '#000000',
  },
}

SCSS

$custom: #d7403f;
$custom-light: #ec7e74;
$custom-dark: #000000;

JSON

{
  "hex": "#d7403f",
  "rgb": {
    "r": 215,
    "g": 64,
    "b": 63
  },
  "hsl": {
    "h": 0.395,
    "s": 65.517,
    "l": 54.51
  },
  "oklch": {
    "l": 0.59212,
    "c": 0.18822,
    "h": 25.3
  },
  "luminance": 0.18473
}

Semantic roles & 50–950 ramp

primary

#D7403F

secondary

#99D9D9

accent

#E7E83F

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#180B08

muted

#867C7B

Preview Lab

Preview with #D7403F

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

Preview Lab → · Contrast checker → · Palette generator →