#230301#230301

#230301 is a very dark, muted red. Relative luminance 0.004; OKLCH L 16.9% C 0.059 H 31.7°. Best body text is #FFFFFF at 19.35:1 contrast (WCAG AA passes).

Color values

HEX	#230301
RGB	rgb(35, 3, 1)
HSL	hsl(4, 94%, 7%)
HSV	hsv(4, 97%, 14%)
CMYK	cmyk(0%, 91.4%, 97.1%, 86.3%)
CIE-LAB	lab(3.84, 13.42, 5.58)
CIE-LCH	lch(3.84, 14.53, 22.59°)
OKLab	oklab(16.88% 0.0499 0.0308)
OKLCH	oklch(16.88% 0.059 31.7)
XYZ	xyz(0.7313, 0.4248, 0.0722)
Luminance	0.0043 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#230301 #012123

analogous

#230110 #230301 #231401

triadic

#230301 #012303 #030123

tetradic

#230301 #102301 #012123 #140123

square

#230301 #102301 #012123 #140123

split-complementary

#230301 #012314 #011023

monochromatic

#1E0301 #1E0301 #230301 #5F0803 #9A0D04

Accessibility & contrast

On white

19.35

#230301 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#230301 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #230301

19.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##230301	#FFFFFF	#000000	##FFFFFF
##230301	1.00	19.35	1.09	19.35
#FFFFFF	19.35	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B0901

Deuteranopia (green-blind)

#141000

Tritanopia (blue-blind)

#280003

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #230301;
/* rgb */ color: rgb(35, 3, 1);
/* oklch */ color: oklch(16.9% 0.059 31.7);

Tailwind

colors: {
  custom: {
    50: '#5e4847',
    500: '#230301',
    950: '#000000',
  },
}

SCSS

$custom: #230301;
$custom-light: #5e4847;
$custom-dark: #000000;

JSON

{
  "hex": "#230301",
  "rgb": {
    "r": 35,
    "g": 3,
    "b": 1
  },
  "hsl": {
    "h": 3.529,
    "s": 94.444,
    "l": 7.059
  },
  "oklch": {
    "l": 0.16875,
    "c": 0.05859,
    "h": 31.7
  },
  "luminance": 0.00425
}

Semantic roles & 50–950 ramp

primary

#230301

secondary

#16656A

accent

#F2FF29

background

#F5F4F3

surface

#E9E6E5

border

#C5C2C1

text

#040000

muted

#797777

Preview Lab

Preview with #230301

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

Preview Lab → · Contrast checker → · Palette generator →