#D03F28#D03F28

#D03F28 is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.7% C 0.186 H 31.8°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#D03F28
RGB	rgb(208, 63, 40)
HSL	hsl(8, 68%, 49%)
HSV	hsv(8, 81%, 82%)
CMYK	cmyk(0%, 69.7%, 80.8%, 18.4%)
CIE-LAB	lab(48.41, 55.74, 45.54)
CIE-LCH	lch(48.41, 71.98, 39.25°)
OKLab	oklab(57.66% 0.1577 0.0977)
OKLCH	oklch(57.66% 0.186 31.8)
XYZ	xyz(28.1762, 17.1224, 3.8284)
Luminance	0.1712 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D03F28 #28B9D0

analogous

#D02865 #D03F28 #D09328

triadic

#D03F28 #28D03F #3F28D0

tetradic

#D03F28 #65D028 #28B9D0 #9328D0

square

#D03F28 #65D028 #28B9D0 #9328D0

split-complementary

#D03F28 #28D093 #2865D0

monochromatic

#692014 #9D2F1E #D03F28 #DF6957 #E8978A

Accessibility & contrast

On white

4.75

#D03F28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#D03F28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D03F28

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D03F28	#FFFFFF	#000000	##FFFFFF
##D03F28	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A5F24

Deuteranopia (green-blind)

#8E7F21

Tritanopia (blue-blind)

#E5003B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #d03f28;
/* rgb */ color: rgb(208, 63, 40);
/* oklch */ color: oklch(57.7% 0.186 31.8);

Tailwind

colors: {
  custom: {
    50: '#e87d64',
    500: '#d03f28',
    950: '#000000',
  },
}

SCSS

$custom: #d03f28;
$custom-light: #e87d64;
$custom-dark: #000000;

JSON

{
  "hex": "#d03f28",
  "rgb": {
    "r": 208,
    "g": 63,
    "b": 40
  },
  "hsl": {
    "h": 8.214,
    "s": 67.742,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57661,
    "c": 0.18553,
    "h": 31.8
  },
  "luminance": 0.17118
}

Semantic roles & 50–950 ramp

primary

#D03F28

secondary

#82C7D2

accent

#D3EB3D

background

#FFF8F6

surface

#FFEFEB

border

#D7CAC6

text

#180A05

muted

#867C7A

Preview Lab

Preview with #D03F28

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

Preview Lab → · Contrast checker → · Palette generator →