#040E20#040E20

#040E20 is a very dark, muted blue. Relative luminance 0.004; OKLCH L 16.5% C 0.042 H 258.9°. Best body text is #FFFFFF at 19.29:1 contrast (WCAG AA passes).

Color values

HEX	#040E20
RGB	rgb(4, 14, 32)
HSL	hsl(219, 78%, 7%)
HSV	hsv(219, 88%, 13%)
CMYK	cmyk(87.5%, 56.2%, 0%, 87.5%)
CIE-LAB	lab(4.01, 1.87, -12.65)
CIE-LCH	lch(4.01, 12.79, 278.40°)
OKLab	oklab(16.52% -0.008 -0.0408)
OKLCH	oklch(16.52% 0.042 258.9)
XYZ	xyz(0.4677, 0.4441, 1.4273)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040E20 #201604

analogous

#041C20 #040E20 #080420

triadic

#040E20 #20040E #0E2004

tetradic

#040E20 #20041C #201604 #042008

square

#040E20 #20041C #201604 #042008

split-complementary

#040E20 #200804 #1C2004

monochromatic

#030C1B #030C1B #040E20 #0B2656 #123E8D

Accessibility & contrast

On white

19.29

#040E20 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#040E20 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040E20

19.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040E20	#FFFFFF	#000000	##FFFFFF
##040E20	1.00	19.29	1.09	19.29
#FFFFFF	19.29	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061021

Deuteranopia (green-blind)

#030D20

Tritanopia (blue-blind)

#001215

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #040e20;
/* rgb */ color: rgb(4, 14, 32);
/* oklch */ color: oklch(16.5% 0.042 258.9);

Tailwind

colors: {
  custom: {
    50: '#484d5b',
    500: '#040e20',
    950: '#000000',
  },
}

SCSS

$custom: #040e20;
$custom-light: #484d5b;
$custom-dark: #000000;

JSON

{
  "hex": "#040e20",
  "rgb": {
    "r": 4,
    "g": 14,
    "b": 32
  },
  "hsl": {
    "h": 218.571,
    "s": 77.778,
    "l": 7.059
  },
  "oklch": {
    "l": 0.16521,
    "c": 0.04155,
    "h": 258.9
  },
  "luminance": 0.00444
}

Semantic roles & 50–950 ramp

primary

#040E20

secondary

#634A1D

accent

#AF34F4

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000104

muted

#777779

Preview Lab

Preview with #040E20

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

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