#230501#230501

#230501 is a very dark, muted red. Relative luminance 0.005; OKLCH L 17.3% C 0.055 H 35.6°. Best body text is #FFFFFF at 19.20:1 contrast (WCAG AA passes).

Color values

HEX	#230501
RGB	rgb(35, 5, 1)
HSL	hsl(7, 94%, 7%)
HSV	hsv(7, 97%, 14%)
CMYK	cmyk(0%, 85.7%, 97.1%, 86.3%)
CIE-LAB	lab(4.23, 12.62, 6.16)
CIE-LCH	lch(4.23, 14.04, 26.01°)
OKLab	oklab(17.34% 0.0446 0.032)
OKLCH	oklch(17.34% 0.055 35.6)
XYZ	xyz(0.7530, 0.4682, 0.0794)
Luminance	0.0047 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#230501 #011F23

analogous

#23010E #230501 #231601

triadic

#230501 #012305 #050123

tetradic

#230501 #0E2301 #011F23 #160123

square

#230501 #0E2301 #011F23 #160123

split-complementary

#230501 #012316 #010E23

monochromatic

#1E0401 #1E0401 #230501 #5F0E03 #9A1604

Accessibility & contrast

On white

19.20

#230501 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#230501 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #230501

19.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##230501	#FFFFFF	#000000	##FFFFFF
##230501	1.00	19.20	1.09	19.20
#FFFFFF	19.20	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D0A01

Deuteranopia (green-blind)

#151101

Tritanopia (blue-blind)

#280004

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #230501;
/* rgb */ color: rgb(35, 5, 1);
/* oklch */ color: oklch(17.3% 0.055 35.6);

Tailwind

colors: {
  custom: {
    50: '#5e4847',
    500: '#230501',
    950: '#000000',
  },
}

SCSS

$custom: #230501;
$custom-light: #5e4847;
$custom-dark: #000000;

JSON

{
  "hex": "#230501",
  "rgb": {
    "r": 35,
    "g": 5,
    "b": 1
  },
  "hsl": {
    "h": 7.059,
    "s": 94.444,
    "l": 7.059
  },
  "oklch": {
    "l": 0.17339,
    "c": 0.05487,
    "h": 35.6
  },
  "luminance": 0.00468
}

Semantic roles & 50–950 ramp

primary

#230501

secondary

#16606A

accent

#E6FF29

background

#F5F4F3

surface

#E9E6E5

border

#C5C2C1

text

#040000

muted

#797777

Preview Lab

Preview with #230501

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

Preview Lab → · Contrast checker → · Palette generator →