#230401#230401

#230401 is a very dark, muted red. Relative luminance 0.004; OKLCH L 17.1% C 0.057 H 33.6°. Best body text is #FFFFFF at 19.28:1 contrast (WCAG AA passes).

Color values

HEX	#230401
RGB	rgb(35, 4, 1)
HSL	hsl(5, 94%, 7%)
HSV	hsv(5, 97%, 14%)
CMYK	cmyk(0%, 88.6%, 97.1%, 86.3%)
CIE-LAB	lab(4.03, 13.01, 5.87)
CIE-LCH	lch(4.03, 14.28, 24.27°)
OKLab	oklab(17.11% 0.0472 0.0314)
OKLCH	oklch(17.11% 0.057 33.6)
XYZ	xyz(0.7421, 0.4465, 0.0758)
Luminance	0.0045 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#230401 #012023

analogous

#23010F #230401 #231501

triadic

#230401 #012304 #040123

tetradic

#230401 #0F2301 #012023 #150123

square

#230401 #0F2301 #012023 #150123

split-complementary

#230401 #012315 #010F23

monochromatic

#1E0301 #1E0301 #230401 #5F0B03 #9A1204

Accessibility & contrast

On white

19.28

#230401 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#230401 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #230401

19.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##230401	#FFFFFF	#000000	##FFFFFF
##230401	1.00	19.28	1.09	19.28
#FFFFFF	19.28	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C0A01

Deuteranopia (green-blind)

#141100

Tritanopia (blue-blind)

#280003

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #230401;
/* rgb */ color: rgb(35, 4, 1);
/* oklch */ color: oklch(17.1% 0.057 33.6);

Tailwind

colors: {
  custom: {
    50: '#5e4847',
    500: '#230401',
    950: '#000000',
  },
}

SCSS

$custom: #230401;
$custom-light: #5e4847;
$custom-dark: #000000;

JSON

{
  "hex": "#230401",
  "rgb": {
    "r": 35,
    "g": 4,
    "b": 1
  },
  "hsl": {
    "h": 5.294,
    "s": 94.444,
    "l": 7.059
  },
  "oklch": {
    "l": 0.1711,
    "c": 0.05665,
    "h": 33.6
  },
  "luminance": 0.00446
}

Semantic roles & 50–950 ramp

primary

#230401

secondary

#16636A

accent

#ECFF29

background

#F5F4F3

surface

#E9E6E5

border

#C5C2C1

text

#040000

muted

#797777

Preview Lab

Preview with #230401

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

Preview Lab → · Contrast checker → · Palette generator →