#230509#230509

#230509 is a very dark, muted red. Relative luminance 0.005; OKLCH L 17.6% C 0.053 H 15.1°. Best body text is #FFFFFF at 19.14:1 contrast (WCAG AA passes).

Color values

HEX	#230509
RGB	rgb(35, 5, 9)
HSL	hsl(352, 75%, 8%)
HSV	hsv(352, 86%, 14%)
CMYK	cmyk(0%, 85.7%, 74.3%, 86.3%)
CIE-LAB	lab(4.39, 13.73, 3.13)
CIE-LCH	lch(4.39, 14.08, 12.83°)
OKLab	oklab(17.59% 0.0508 0.0137)
OKLCH	oklch(17.59% 0.053 15.1)
XYZ	xyz(0.7968, 0.4857, 0.3102)
Luminance	0.0049 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#230509 #05231F

analogous

#230518 #230509 #231005

triadic

#230509 #092305 #050923

tetradic

#230509 #182305 #05231F #100523

square

#230509 #182305 #05231F #100523

split-complementary

#230509 #052310 #051823

monochromatic

#1B0407 #1B0407 #230509 #590D17 #8E1425

Accessibility & contrast

On white

19.14

#230509 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#230509 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #230509

19.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##230509	#FFFFFF	#000000	##FFFFFF
##230509	1.00	19.14	1.10	19.14
#FFFFFF	19.14	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C0B09

Deuteranopia (green-blind)

#141208

Tritanopia (blue-blind)

#270206

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #230509;
/* rgb */ color: rgb(35, 5, 9);
/* oklch */ color: oklch(17.6% 0.053 15.1);

Tailwind

colors: {
  custom: {
    50: '#5e484b',
    500: '#230509',
    950: '#000000',
  },
}

SCSS

$custom: #230509;
$custom-light: #5e484b;
$custom-dark: #000000;

JSON

{
  "hex": "#230509",
  "rgb": {
    "r": 35,
    "g": 5,
    "b": 9
  },
  "hsl": {
    "h": 352,
    "s": 75,
    "l": 7.843
  },
  "oklch": {
    "l": 0.17594,
    "c": 0.05258,
    "h": 15.1
  },
  "luminance": 0.00486
}

Semantic roles & 50–950 ramp

primary

#230509

secondary

#1F645B

accent

#F2D936

background

#F5F4F4

surface

#E9E6E7

border

#C5C2C3

text

#040001

muted

#797777

Preview Lab

Preview with #230509

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

Preview Lab → · Contrast checker → · Palette generator →