#040405#040405

#040405 is a very dark, near-neutral blue. Relative luminance 0.001; OKLCH L 10.8% C 0.004 H 285.7°. Best body text is #FFFFFF at 20.49:1 contrast (WCAG AA passes).

Color values

HEX	#040405
RGB	rgb(4, 4, 5)
HSL	hsl(240, 11%, 2%)
HSV	hsv(240, 20%, 2%)
CMYK	cmyk(20%, 20%, 0%, 98%)
CIE-LAB	lab(1.12, 0.14, -0.38)
CIE-LCH	lch(1.12, 0.40, 290.35°)
OKLab	oklab(10.75% 0.001 -0.0036)
OKLCH	oklch(10.75% 0.004 285.7)
XYZ	xyz(0.1209, 0.1236, 0.1610)
Luminance	0.0012 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040405 #050504

analogous

#040505 #040405 #050405

triadic

#040405 #050404 #040504

tetradic

#040405 #050405 #050504 #040505

square

#040405 #050405 #050504 #040505

split-complementary

#040405 #050504 #050504

monochromatic

#0E0E11 #0E0E11 #0E0E11 #1F1F27 #3A3A49

Accessibility & contrast

On white

20.49

#040405 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#040405 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040405

20.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040405	#FFFFFF	#000000	##FFFFFF
##040405	1.00	20.49	1.02	20.49
#FFFFFF	20.49	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#040405

Deuteranopia (green-blind)

#040405

Tritanopia (blue-blind)

#040404

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #040405;
/* rgb */ color: rgb(4, 4, 5);
/* oklch */ color: oklch(10.8% 0.004 285.7);

Tailwind

colors: {
  custom: {
    50: '#484849',
    500: '#040405',
    950: '#000000',
  },
}

SCSS

$custom: #040405;
$custom-light: #484849;
$custom-dark: #000000;

JSON

{
  "hex": "#040405",
  "rgb": {
    "r": 4,
    "g": 4,
    "b": 5
  },
  "hsl": {
    "h": 240,
    "s": 11.111,
    "l": 1.765
  },
  "oklch": {
    "l": 0.10751,
    "c": 0.0037,
    "h": 285.7
  },
  "luminance": 0.00124
}

Semantic roles & 50–950 ramp

primary

#040405

secondary

#36362E

accent

#B474B4

background

#F4F4F4

surface

#E6E6E6

border

#C2C2C2

text

#000000

muted

#777777

Preview Lab

Preview with #040405

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

Preview Lab → · Contrast checker → · Palette generator →