#D3403E#D3403E

#D3403E is a mid, vivid red. Relative luminance 0.179; OKLCH L 58.5% C 0.184 H 25.6°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#D3403E
RGB	rgb(211, 64, 62)
HSL	hsl(1, 63%, 54%)
HSV	hsv(1, 71%, 83%)
CMYK	cmyk(0%, 69.7%, 70.6%, 17.3%)
CIE-LAB	lab(49.34, 57.18, 34.69)
CIE-LCH	lch(49.34, 66.88, 31.24°)
OKLab	oklab(58.53% 0.1663 0.0795)
OKLCH	oklch(58.53% 0.184 25.6)
XYZ	xyz(29.5701, 17.8679, 6.4483)
Luminance	0.1786 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D3403E #3ED1D3

analogous

#D33E86 #D3403E #D38A3E

triadic

#D3403E #3ED340 #403ED3

tetradic

#D3403E #86D33E #3ED1D3 #8A3ED3

square

#D3403E #86D33E #3ED1D3 #8A3ED3

split-complementary

#D3403E #3ED38A #3E86D3

monochromatic

#7B1D1C #AC2927 #D3403E #DE7170 #EAA3A2

Accessibility & contrast

On white

4.59

#D3403E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#D3403E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D3403E

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D3403E	#FFFFFF	#000000	##FFFFFF
##D3403E	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A613C

Deuteranopia (green-blind)

#8E8139

Tritanopia (blue-blind)

#E80C41

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #d3403e;
/* rgb */ color: rgb(211, 64, 62);
/* oklch */ color: oklch(58.5% 0.184 25.6);

Tailwind

colors: {
  custom: {
    50: '#e97e73',
    500: '#d3403e',
    950: '#000000',
  },
}

SCSS

$custom: #d3403e;
$custom-light: #e97e73;
$custom-dark: #000000;

JSON

{
  "hex": "#d3403e",
  "rgb": {
    "r": 211,
    "g": 64,
    "b": 62
  },
  "hsl": {
    "h": 0.805,
    "s": 62.869,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58526,
    "c": 0.18429,
    "h": 25.6
  },
  "luminance": 0.17863
}

Semantic roles & 50–950 ramp

primary

#D3403E

secondary

#96D5D6

accent

#E4E642

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#180B08

muted

#867C7B

Preview Lab

Preview with #D3403E

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

Preview Lab → · Contrast checker → · Palette generator →