#D03539#D03539

#D03539 is a mid, vivid red. Relative luminance 0.163; OKLCH L 56.9% C 0.192 H 24.5°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#D03539
RGB	rgb(208, 53, 57)
HSL	hsl(358, 62%, 51%)
HSV	hsv(358, 75%, 82%)
CMYK	cmyk(0%, 74.5%, 72.6%, 18.4%)
CIE-LAB	lab(47.31, 59.92, 35.08)
CIE-LCH	lch(47.31, 69.43, 30.34°)
OKLab	oklab(56.89% 0.1742 0.0795)
OKLCH	oklch(56.89% 0.192 24.5)
XYZ	xyz(28.0273, 16.2558, 5.5320)
Luminance	0.1625 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D03539 #35D0CC

analogous

#D03586 #D03539 #D07E35

triadic

#D03539 #39D035 #3539D0

tetradic

#D03539 #86D035 #35D0CC #7E35D0

square

#D03539 #86D035 #35D0CC #7E35D0

split-complementary

#D03539 #35D07E #3586D0

monochromatic

#701A1C #A22629 #D03539 #DC676A #E7989A

Accessibility & contrast

On white

4.94

#D03539 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#D03539 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D03539

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D03539	#FFFFFF	#000000	##FFFFFF
##D03539	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B38

Deuteranopia (green-blind)

#8A7C33

Tritanopia (blue-blind)

#E50038

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #d03539;
/* rgb */ color: rgb(208, 53, 57);
/* oklch */ color: oklch(56.9% 0.192 24.5);

Tailwind

colors: {
  custom: {
    50: '#e7786f',
    500: '#d03539',
    950: '#000000',
  },
}

SCSS

$custom: #d03539;
$custom-light: #e7786f;
$custom-dark: #000000;

JSON

{
  "hex": "#d03539",
  "rgb": {
    "r": 208,
    "g": 53,
    "b": 57
  },
  "hsl": {
    "h": 358.452,
    "s": 62.249,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56893,
    "c": 0.19154,
    "h": 24.5
  },
  "luminance": 0.16252
}

Semantic roles & 50–950 ramp

primary

#D03539

secondary

#8ED3D1

accent

#E5E142

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D03539

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

Preview Lab → · Contrast checker → · Palette generator →