#040E1C#040E1C

#040E1C is a very dark, muted blue. Relative luminance 0.004; OKLCH L 16.2% C 0.034 H 254.3°. Best body text is #FFFFFF at 19.36:1 contrast (WCAG AA passes).

Color values

HEX	#040E1C
RGB	rgb(4, 14, 28)
HSL	hsl(215, 75%, 6%)
HSV	hsv(215, 86%, 11%)
CMYK	cmyk(85.7%, 50%, 0%, 89%)
CIE-LAB	lab(3.83, 0.57, -9.80)
CIE-LCH	lch(3.83, 9.82, 273.32°)
OKLab	oklab(16.19% -0.0093 -0.033)
OKLCH	oklch(16.19% 0.034 254.3)
XYZ	xyz(0.4166, 0.4237, 1.1582)
Luminance	0.0042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040E1C #1C1204

analogous

#041A1C #040E1C #06041C

triadic

#040E1C #1C040E #0E1C04

tetradic

#040E1C #1C041A #1C1204 #041C06

square

#040E1C #1C041A #1C1204 #041C06

split-complementary

#040E1C #1C0604 #1A1C04

monochromatic

#040D1B #040D1B #040E1C #0C2952 #134487

Accessibility & contrast

On white

19.36

#040E1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#040E1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040E1C

19.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040E1C	#FFFFFF	#000000	##FFFFFF
##040E1C	1.00	19.36	1.08	19.36
#FFFFFF	19.36	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#080F1D

Deuteranopia (green-blind)

#050C1C

Tritanopia (blue-blind)

#001113

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #040e1c;
/* rgb */ color: rgb(4, 14, 28);
/* oklch */ color: oklch(16.2% 0.034 254.3);

Tailwind

colors: {
  custom: {
    50: '#484d58',
    500: '#040e1c',
    950: '#000000',
  },
}

SCSS

$custom: #040e1c;
$custom-light: #484d58;
$custom-dark: #000000;

JSON

{
  "hex": "#040e1c",
  "rgb": {
    "r": 4,
    "g": 14,
    "b": 28
  },
  "hsl": {
    "h": 215,
    "s": 75,
    "l": 6.275
  },
  "oklch": {
    "l": 0.16194,
    "c": 0.03426,
    "h": 254.3
  },
  "luminance": 0.00424
}

Semantic roles & 50–950 ramp

primary

#040E1C

secondary

#5E431D

accent

#A436F2

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000103

muted

#777778

Preview Lab

Preview with #040E1C

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

Preview Lab → · Contrast checker → · Palette generator →