#210409#210409

#210409 is a very dark, muted red. Relative luminance 0.004; OKLCH L 16.9% C 0.052 H 12.2°. Best body text is #FFFFFF at 19.34:1 contrast (WCAG AA passes).

Color values

HEX	#210409
RGB	rgb(33, 4, 9)
HSL	hsl(350, 78%, 7%)
HSV	hsv(350, 88%, 13%)
CMYK	cmyk(0%, 87.9%, 72.7%, 87.1%)
CIE-LAB	lab(3.88, 12.75, 2.36)
CIE-LCH	lch(3.88, 12.97, 10.47°)
OKLab	oklab(16.92% 0.0511 0.011)
OKLCH	oklch(16.92% 0.052 12.2)
XYZ	xyz(0.7200, 0.4300, 0.3035)
Luminance	0.0043 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210409 #04211C

analogous

#210418 #210409 #210E04

triadic

#210409 #092104 #040921

tetradic

#210409 #182104 #04211C #0E0421

square

#210409 #182104 #04211C #0E0421

split-complementary

#210409 #04210E #041821

monochromatic

#1B0307 #1B0307 #210409 #580B18 #8E1127

Accessibility & contrast

On white

19.34

#210409 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#210409 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210409

19.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210409	#FFFFFF	#000000	##FFFFFF
##210409	1.00	19.34	1.09	19.34
#FFFFFF	19.34	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A0A09

Deuteranopia (green-blind)

#121008

Tritanopia (blue-blind)

#250106

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #210409;
/* rgb */ color: rgb(33, 4, 9);
/* oklch */ color: oklch(16.9% 0.052 12.2);

Tailwind

colors: {
  custom: {
    50: '#5c484b',
    500: '#210409',
    950: '#000000',
  },
}

SCSS

$custom: #210409;
$custom-light: #5c484b;
$custom-dark: #000000;

JSON

{
  "hex": "#210409",
  "rgb": {
    "r": 33,
    "g": 4,
    "b": 9
  },
  "hsl": {
    "h": 349.655,
    "s": 78.378,
    "l": 7.255
  },
  "oklch": {
    "l": 0.16924,
    "c": 0.05222,
    "h": 12.2
  },
  "luminance": 0.0043
}

Semantic roles & 50–950 ramp

primary

#210409

secondary

#1D6458

accent

#F5D333

background

#F5F4F4

surface

#E9E6E7

border

#C5C2C3

text

#040001

muted

#797777

Preview Lab

Preview with #210409

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

Preview Lab → · Contrast checker → · Palette generator →