#D33A30#D33A30

#D33A30 is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.8% C 0.191 H 28.4°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#D33A30
RGB	rgb(211, 58, 48)
HSL	hsl(4, 65%, 51%)
HSV	hsv(4, 77%, 83%)
CMYK	cmyk(0%, 72.5%, 77.3%, 17.3%)
CIE-LAB	lab(48.38, 58.79, 41.48)
CIE-LCH	lch(48.38, 71.95, 35.20°)
OKLab	oklab(57.76% 0.1685 0.0911)
OKLCH	oklch(57.76% 0.191 28.4)
XYZ	xyz(28.9139, 17.0929, 4.5725)
Luminance	0.1709 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33A30 #30C9D3

analogous

#D33077 #D33A30 #D38B30

triadic

#D33A30 #30D33A #3A30D3

tetradic

#D33A30 #77D330 #30C9D3 #8B30D3

square

#D33A30 #77D330 #30C9D3 #8B30D3

split-complementary

#D33A30 #30D38B #3077D3

monochromatic

#711D18 #A32B23 #D33A30 #DE6A62 #E89A95

Accessibility & contrast

On white

4.75

#D33A30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#D33A30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D33A30

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33A30	#FFFFFF	#000000	##FFFFFF
##D33A30	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)

#685E2D

Deuteranopia (green-blind)

#8E7F2A

Tritanopia (blue-blind)

#E80039

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #d33a30;
/* rgb */ color: rgb(211, 58, 48);
/* oklch */ color: oklch(57.8% 0.191 28.4);

Tailwind

colors: {
  custom: {
    50: '#ea7b69',
    500: '#d33a30',
    950: '#000000',
  },
}

SCSS

$custom: #d33a30;
$custom-light: #ea7b69;
$custom-dark: #000000;

JSON

{
  "hex": "#d33a30",
  "rgb": {
    "r": 211,
    "g": 58,
    "b": 48
  },
  "hsl": {
    "h": 3.681,
    "s": 64.94,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57757,
    "c": 0.19149,
    "h": 28.4
  },
  "luminance": 0.17088
}

Semantic roles & 50–950 ramp

primary

#D33A30

secondary

#8BCFD4

accent

#DEE840

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A06

muted

#867C7A

Preview Lab

Preview with #D33A30

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

Preview Lab → · Contrast checker → · Palette generator →