#230103#230103

#230103 is a very dark, moderate red. Relative luminance 0.004; OKLCH L 16.5% C 0.062 H 22.2°. Best body text is #FFFFFF at 19.49:1 contrast (WCAG AA passes).

Color values

HEX	#230103
RGB	rgb(35, 1, 3)
HSL	hsl(356, 94%, 7%)
HSV	hsv(356, 97%, 14%)
CMYK	cmyk(0%, 97.1%, 91.4%, 86.3%)
CIE-LAB	lab(3.48, 14.50, 4.25)
CIE-LCH	lch(3.48, 15.11, 16.35°)
OKLab	oklab(16.46% 0.0578 0.0236)
OKLCH	oklch(16.46% 0.062 22.2)
XYZ	xyz(0.7205, 0.3857, 0.1226)
Luminance	0.0039 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#230103 #012321

analogous

#230114 #230103 #231001

triadic

#230103 #032301 #010323

tetradic

#230103 #142301 #012321 #100123

square

#230103 #142301 #012321 #100123

split-complementary

#230103 #012310 #011423

monochromatic

#1E0103 #1E0103 #230103 #5F0308 #9A040D

Accessibility & contrast

On white

19.49

#230103 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#230103 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #230103

19.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##230103	#FFFFFF	#000000	##FFFFFF
##230103	1.00	19.49	1.08	19.49
#FFFFFF	19.49	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#090703

Deuteranopia (green-blind)

#120F02

Tritanopia (blue-blind)

#280002

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #230103;
/* rgb */ color: rgb(35, 1, 3);
/* oklch */ color: oklch(16.5% 0.062 22.2);

Tailwind

colors: {
  custom: {
    50: '#5e4748',
    500: '#230103',
    950: '#000000',
  },
}

SCSS

$custom: #230103;
$custom-light: #5e4748;
$custom-dark: #000000;

JSON

{
  "hex": "#230103",
  "rgb": {
    "r": 35,
    "g": 1,
    "b": 3
  },
  "hsl": {
    "h": 356.471,
    "s": 94.444,
    "l": 7.059
  },
  "oklch": {
    "l": 0.16455,
    "c": 0.06241,
    "h": 22.2
  },
  "luminance": 0.00386
}

Semantic roles & 50–950 ramp

primary

#230103

secondary

#166A65

accent

#FFF229

background

#F5F3F4

surface

#E9E5E6

border

#C5C1C2

text

#040000

muted

#797777

Preview Lab

Preview with #230103

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

Preview Lab → · Contrast checker → · Palette generator →