#230901#230901

#230901 is a very dark, muted red. Relative luminance 0.006; OKLCH L 18.2% C 0.049 H 43.9°. Best body text is #FFFFFF at 18.90:1 contrast (WCAG AA passes).

Color values

HEX	#230901
RGB	rgb(35, 9, 1)
HSL	hsl(14, 94%, 7%)
HSV	hsv(14, 97%, 14%)
CMYK	cmyk(0%, 74.3%, 97.1%, 86.3%)
CIE-LAB	lab(5.01, 11.01, 7.30)
CIE-LCH	lch(5.01, 13.21, 33.54°)
OKLab	oklab(18.19% 0.0355 0.0341)
OKLCH	oklch(18.19% 0.049 43.9)
XYZ	xyz(0.7964, 0.5550, 0.0939)
Luminance	0.0056 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#230901 #011B23

analogous

#23010A #230901 #231A01

triadic

#230901 #012309 #090123

tetradic

#230901 #0A2301 #011B23 #1A0123

square

#230901 #0A2301 #011B23 #1A0123

split-complementary

#230901 #01231A #010A23

monochromatic

#1E0801 #1E0801 #230901 #5F1803 #9A2804

Accessibility & contrast

On white

18.90

#230901 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#230901 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #230901

18.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##230901	#FFFFFF	#000000	##FFFFFF
##230901	1.00	18.90	1.11	18.90
#FFFFFF	18.90	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#100D00

Deuteranopia (green-blind)

#171301

Tritanopia (blue-blind)

#280407

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #230901;
/* rgb */ color: rgb(35, 9, 1);
/* oklch */ color: oklch(18.2% 0.049 43.9);

Tailwind

colors: {
  custom: {
    50: '#5e4a47',
    500: '#230901',
    950: '#000000',
  },
}

SCSS

$custom: #230901;
$custom-light: #5e4a47;
$custom-dark: #000000;

JSON

{
  "hex": "#230901",
  "rgb": {
    "r": 35,
    "g": 9,
    "b": 1
  },
  "hsl": {
    "h": 14.118,
    "s": 94.444,
    "l": 7.059
  },
  "oklch": {
    "l": 0.18194,
    "c": 0.0492,
    "h": 43.9
  },
  "luminance": 0.00555
}

Semantic roles & 50–950 ramp

primary

#230901

secondary

#16566A

accent

#CDFF29

background

#F5F4F3

surface

#E9E7E5

border

#C5C3C1

text

#040100

muted

#797777

Preview Lab

Preview with #230901

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

Preview Lab → · Contrast checker → · Palette generator →