#230101#230101

#230101 is a very dark, moderate red. Relative luminance 0.004; OKLCH L 16.4% C 0.063 H 27.9°. Best body text is #FFFFFF at 19.51:1 contrast (WCAG AA passes).

Color values

HEX	#230101
RGB	rgb(35, 1, 1)
HSL	hsl(0, 94%, 7%)
HSV	hsv(0, 97%, 14%)
CMYK	cmyk(0%, 97.1%, 97.1%, 86.3%)
CIE-LAB	lab(3.44, 14.22, 5.01)
CIE-LCH	lch(3.44, 15.08, 19.40°)
OKLab	oklab(16.38% 0.0557 0.0295)
OKLCH	oklch(16.38% 0.063 27.9)
XYZ	xyz(0.7096, 0.3813, 0.0650)
Luminance	0.0038 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#230101 #012323

analogous

#230112 #230101 #231201

triadic

#230101 #012301 #010123

tetradic

#230101 #122301 #012323 #120123

square

#230101 #122301 #012323 #120123

split-complementary

#230101 #012312 #011223

monochromatic

#1E0101 #1E0101 #230101 #5F0303 #9A0404

Accessibility & contrast

On white

19.51

#230101 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#230101 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #230101

19.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##230101	#FFFFFF	#000000	##FFFFFF
##230101	1.00	19.51	1.08	19.51
#FFFFFF	19.51	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#090701

Deuteranopia (green-blind)

#130F00

Tritanopia (blue-blind)

#280001

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #230101;
/* rgb */ color: rgb(35, 1, 1);
/* oklch */ color: oklch(16.4% 0.063 27.9);

Tailwind

colors: {
  custom: {
    50: '#5e4747',
    500: '#230101',
    950: '#000000',
  },
}

SCSS

$custom: #230101;
$custom-light: #5e4747;
$custom-dark: #000000;

JSON

{
  "hex": "#230101",
  "rgb": {
    "r": 35,
    "g": 1,
    "b": 1
  },
  "hsl": {
    "h": 0,
    "s": 94.444,
    "l": 7.059
  },
  "oklch": {
    "l": 0.16382,
    "c": 0.06302,
    "h": 27.9
  },
  "luminance": 0.00381
}

Semantic roles & 50–950 ramp

primary

#230101

secondary

#166A6A

accent

#FFFF29

background

#F5F3F3

surface

#E9E5E5

border

#C5C1C1

text

#040000

muted

#797777

Preview Lab

Preview with #230101

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

Preview Lab → · Contrast checker → · Palette generator →