#040E22#040E22

#040E22 is a very dark, muted blue. Relative luminance 0.005; OKLCH L 16.7% C 0.045 H 260.5°. Best body text is #FFFFFF at 19.25:1 contrast (WCAG AA passes).

Color values

HEX	#040E22
RGB	rgb(4, 14, 34)
HSL	hsl(220, 79%, 7%)
HSV	hsv(220, 88%, 13%)
CMYK	cmyk(88.2%, 58.8%, 0%, 86.7%)
CIE-LAB	lab(4.11, 2.58, -14.05)
CIE-LCH	lch(4.11, 14.29, 280.40°)
OKLab	oklab(16.7% -0.0075 -0.0446)
OKLCH	oklch(16.7% 0.045 260.5)
XYZ	xyz(0.4957, 0.4553, 1.5748)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040E22 #221804

analogous

#041D22 #040E22 #090422

triadic

#040E22 #22040E #0E2204

tetradic

#040E22 #22041D #221804 #042209

square

#040E22 #22041D #221804 #042209

split-complementary

#040E22 #220904 #1D2204

monochromatic

#030B1B #030B1B #040E22 #0A2559 #113B90

Accessibility & contrast

On white

19.25

#040E22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#040E22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040E22

19.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040E22	#FFFFFF	#000000	##FFFFFF
##040E22	1.00	19.25	1.09	19.25
#FFFFFF	19.25	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#051023

Deuteranopia (green-blind)

#020D22

Tritanopia (blue-blind)

#001316

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #040e22;
/* rgb */ color: rgb(4, 14, 34);
/* oklch */ color: oklch(16.7% 0.045 260.5);

Tailwind

colors: {
  custom: {
    50: '#484d5d',
    500: '#040e22',
    950: '#000000',
  },
}

SCSS

$custom: #040e22;
$custom-light: #484d5d;
$custom-dark: #000000;

JSON

{
  "hex": "#040e22",
  "rgb": {
    "r": 4,
    "g": 14,
    "b": 34
  },
  "hsl": {
    "h": 220,
    "s": 78.947,
    "l": 7.451
  },
  "oklch": {
    "l": 0.16696,
    "c": 0.0452,
    "h": 260.5
  },
  "luminance": 0.00455
}

Semantic roles & 50–950 ramp

primary

#040E22

secondary

#654D1D

accent

#B432F5

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000104

muted

#777779

Preview Lab

Preview with #040E22

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

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