#00001D#00001D

#00001D is a very dark, moderate blue. Relative luminance 0.001; OKLCH L 10.4% C 0.072 H 264.1°. Best body text is #FFFFFF at 20.63:1 contrast (WCAG AA passes).

Color values

HEX	#00001D
RGB	rgb(0, 0, 29)
HSL	hsl(240, 100%, 6%)
HSV	hsv(240, 100%, 11%)
CMYK	cmyk(100%, 100%, 0%, 88.6%)
CIE-LAB	lab(0.80, 5.63, -15.14)
CIE-LCH	lch(0.80, 16.15, 290.40°)
OKLab	oklab(10.43% -0.0075 -0.0719)
OKLCH	oklch(10.43% 0.072 264.1)
XYZ	xyz(0.2217, 0.0887, 1.1676)
Luminance	0.0009 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.60

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00001D #1D1D00

analogous

#000E1D #00001D #0E001D

triadic

#00001D #1D0000 #001D00

tetradic

#00001D #1D000E #1D1D00 #001D0E

square

#00001D #1D000E #1D1D00 #001D0E

split-complementary

#00001D #1D0E00 #0E1D00

monochromatic

#00001F #00001F #00001F #00005A #000097

Accessibility & contrast

On white

20.63

#00001D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#00001D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00001D

20.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00001D	#FFFFFF	#000000	##FFFFFF
##00001D	1.00	20.63	1.02	20.63
#FFFFFF	20.63	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00041E

Deuteranopia (green-blind)

#00021C

Tritanopia (blue-blind)

#00060C

Achromatopsia (no color)

#030303

Design tokens & code

CSS

--color: #00001d;
/* rgb */ color: rgb(0, 0, 29);
/* oklch */ color: oklch(10.4% 0.072 264.1);

Tailwind

colors: {
  custom: {
    50: '#464758',
    500: '#00001d',
    950: '#000000',
  },
}

SCSS

$custom: #00001d;
$custom-light: #464758;
$custom-dark: #000000;

JSON

{
  "hex": "#00001d",
  "rgb": {
    "r": 0,
    "g": 0,
    "b": 29
  },
  "hsl": {
    "h": 240,
    "s": 100,
    "l": 5.686
  },
  "oklch": {
    "l": 0.1043,
    "c": 0.07228,
    "h": 264.1
  },
  "luminance": 0.00089
}

Semantic roles & 50–950 ramp

primary

#00001D

secondary

#676712

accent

#FF29FF

background

#F3F3F5

surface

#E5E5E9

border

#C1C1C5

text

#000003

muted

#767778

Preview Lab

Preview with #00001D

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

Preview Lab → · Contrast checker → · Palette generator →