#D33B30#D33B30

#D33B30 is a mid, vivid red. Relative luminance 0.172; OKLCH L 57.9% C 0.191 H 28.6°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#D33B30
RGB	rgb(211, 59, 48)
HSL	hsl(4, 65%, 51%)
HSV	hsv(4, 77%, 83%)
CMYK	cmyk(0%, 72%, 77.3%, 17.3%)
CIE-LAB	lab(48.50, 58.43, 41.61)
CIE-LCH	lch(48.50, 71.74, 35.45°)
OKLab	oklab(57.85% 0.1673 0.0914)
OKLCH	oklch(57.85% 0.191 28.6)
XYZ	xyz(28.9648, 17.1947, 4.5895)
Luminance	0.1719 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33B30 #30C8D3

analogous

#D33076 #D33B30 #D38C30

triadic

#D33B30 #30D33B #3B30D3

tetradic

#D33B30 #76D330 #30C8D3 #8C30D3

square

#D33B30 #76D330 #30C8D3 #8C30D3

split-complementary

#D33B30 #30D38C #3076D3

monochromatic

#711E18 #A32B23 #D33B30 #DE6B62 #E89B95

Accessibility & contrast

On white

4.73

#D33B30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#D33B30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D33B30

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33B30	#FFFFFF	#000000	##FFFFFF
##D33B30	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685E2D

Deuteranopia (green-blind)

#8E7F2A

Tritanopia (blue-blind)

#E8003A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #d33b30;
/* rgb */ color: rgb(211, 59, 48);
/* oklch */ color: oklch(57.9% 0.191 28.6);

Tailwind

colors: {
  custom: {
    50: '#ea7b69',
    500: '#d33b30',
    950: '#000000',
  },
}

SCSS

$custom: #d33b30;
$custom-light: #ea7b69;
$custom-dark: #000000;

JSON

{
  "hex": "#d33b30",
  "rgb": {
    "r": 211,
    "g": 59,
    "b": 48
  },
  "hsl": {
    "h": 4.049,
    "s": 64.94,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57853,
    "c": 0.19065,
    "h": 28.6
  },
  "luminance": 0.1719
}

Semantic roles & 50–950 ramp

primary

#D33B30

secondary

#8BCFD4

accent

#DDE840

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A06

muted

#867C7A

Preview Lab

Preview with #D33B30

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

Preview Lab → · Contrast checker → · Palette generator →