#010409#010409

#010409 is a very dark, near-neutral blue. Relative luminance 0.001; OKLCH L 10.4% C 0.019 H 248.3°. Best body text is #FFFFFF at 20.54:1 contrast (WCAG AA passes).

Color values

HEX	#010409
RGB	rgb(1, 4, 9)
HSL	hsl(218, 80%, 2%)
HSV	hsv(218, 89%, 4%)
CMYK	cmyk(88.9%, 55.6%, 0%, 96.5%)
CIE-LAB	lab(1.02, -0.09, -2.17)
CIE-LCH	lch(1.02, 2.17, 267.62°)
OKLab	oklab(10.39% -0.0072 -0.0181)
OKLCH	oklch(10.39% 0.019 248.3)
XYZ	xyz(0.1052, 0.1130, 0.2747)
Luminance	0.0011 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010409 #090601

analogous

#010809 #010409 #020109

triadic

#010409 #090104 #040901

tetradic

#010409 #090108 #090601 #010902

square

#010409 #090108 #090601 #010902

split-complementary

#010409 #090201 #080901

monochromatic

#030C1C #030C1C #030C1C #071C40 #0D3577

Accessibility & contrast

On white

20.54

#010409 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#010409 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010409

20.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010409	#FFFFFF	#000000	##FFFFFF
##010409	1.00	20.54	1.02	20.54
#FFFFFF	20.54	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#030409

Deuteranopia (green-blind)

#020309

Tritanopia (blue-blind)

#000506

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #010409;
/* rgb */ color: rgb(1, 4, 9);
/* oklch */ color: oklch(10.4% 0.019 248.3);

Tailwind

colors: {
  custom: {
    50: '#47484b',
    500: '#010409',
    950: '#000000',
  },
}

SCSS

$custom: #010409;
$custom-light: #47484b;
$custom-dark: #000000;

JSON

{
  "hex": "#010409",
  "rgb": {
    "r": 1,
    "g": 4,
    "b": 9
  },
  "hsl": {
    "h": 217.5,
    "s": 80,
    "l": 1.961
  },
  "oklch": {
    "l": 0.10389,
    "c": 0.01943,
    "h": 248.3
  },
  "luminance": 0.00113
}

Semantic roles & 50–950 ramp

primary

#010409

secondary

#4F3A16

accent

#AD31F6

background

#F3F4F4

surface

#E5E6E7

border

#C1C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #010409

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

Preview Lab → · Contrast checker → · Palette generator →