#230004#230004

#230004 is a very dark, moderate red. Relative luminance 0.004; OKLCH L 16.2% C 0.065 H 17.9°. Best body text is #FFFFFF at 19.57:1 contrast (WCAG AA passes).

Color values

HEX	#230004
RGB	rgb(35, 0, 4)
HSL	hsl(353, 100%, 7%)
HSV	hsv(353, 100%, 14%)
CMYK	cmyk(0%, 100%, 88.6%, 86.3%)
CIE-LAB	lab(3.31, 15.04, 3.59)
CIE-LCH	lch(3.31, 15.46, 13.42°)
OKLab	oklab(16.24% 0.0619 0.02)
OKLCH	oklch(16.24% 0.065 17.9)
XYZ	xyz(0.7151, 0.3662, 0.1479)
Luminance	0.0037 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#230004 #00231F

analogous

#230016 #230004 #230E00

triadic

#230004 #042300 #000423

tetradic

#230004 #162300 #00231F #0E0023

square

#230004 #162300 #00231F #0E0023

split-complementary

#230004 #00230E #001623

monochromatic

#1F0003 #1F0003 #230004 #60000B #9D0012

Accessibility & contrast

On white

19.57

#230004 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#230004 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #230004

19.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##230004	#FFFFFF	#000000	##FFFFFF
##230004	1.00	19.57	1.07	19.57
#FFFFFF	19.57	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#080704

Deuteranopia (green-blind)

#120F03

Tritanopia (blue-blind)

#280001

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #230004;
/* rgb */ color: rgb(35, 0, 4);
/* oklch */ color: oklch(16.2% 0.065 17.9);

Tailwind

colors: {
  custom: {
    50: '#5e4648',
    500: '#230004',
    950: '#000000',
  },
}

SCSS

$custom: #230004;
$custom-light: #5e4648;
$custom-dark: #000000;

JSON

{
  "hex": "#230004",
  "rgb": {
    "r": 35,
    "g": 0,
    "b": 4
  },
  "hsl": {
    "h": 353.143,
    "s": 100,
    "l": 6.863
  },
  "oklch": {
    "l": 0.16237,
    "c": 0.06504,
    "h": 17.9
  },
  "luminance": 0.00366
}

Semantic roles & 50–950 ramp

primary

#230004

secondary

#136C62

accent

#FFE729

background

#F5F3F4

surface

#E9E5E6

border

#C5C1C2

text

#040000

muted

#797777

Preview Lab

Preview with #230004

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

Preview Lab → · Contrast checker → · Palette generator →