#040E25#040E25

#040E25 is a very dark, muted blue. Relative luminance 0.005; OKLCH L 17.0% C 0.051 H 262.3°. Best body text is #FFFFFF at 19.19:1 contrast (WCAG AA passes).

Color values

HEX	#040E25
RGB	rgb(4, 14, 37)
HSL	hsl(222, 80%, 8%)
HSV	hsv(222, 89%, 15%)
CMYK	cmyk(89.2%, 62.2%, 0%, 85.5%)
CIE-LAB	lab(4.28, 3.73, -16.11)
CIE-LCH	lch(4.28, 16.54, 283.02°)
OKLab	oklab(16.97% -0.0068 -0.0502)
OKLCH	oklch(16.97% 0.051 262.3)
XYZ	xyz(0.5409, 0.4734, 1.8128)
Luminance	0.0047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040E25 #251B04

analogous

#041E25 #040E25 #0A0425

triadic

#040E25 #25040E #0E2504

tetradic

#040E25 #25041E #251B04 #04250A

square

#040E25 #25041E #251B04 #04250A

split-complementary

#040E25 #250A04 #1E2504

monochromatic

#030A1C #030A1C #040E25 #0A235C #103893

Accessibility & contrast

On white

19.19

#040E25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#040E25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040E25

19.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040E25	#FFFFFF	#000000	##FFFFFF
##040E25	1.00	19.19	1.09	19.19
#FFFFFF	19.19	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031126

Deuteranopia (green-blind)

#000D25

Tritanopia (blue-blind)

#001317

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #040e25;
/* rgb */ color: rgb(4, 14, 37);
/* oklch */ color: oklch(17.0% 0.051 262.3);

Tailwind

colors: {
  custom: {
    50: '#484d5f',
    500: '#040e25',
    950: '#000000',
  },
}

SCSS

$custom: #040e25;
$custom-light: #484d5f;
$custom-dark: #000000;

JSON

{
  "hex": "#040e25",
  "rgb": {
    "r": 4,
    "g": 14,
    "b": 37
  },
  "hsl": {
    "h": 221.818,
    "s": 80.488,
    "l": 8.039
  },
  "oklch": {
    "l": 0.16969,
    "c": 0.05065,
    "h": 262.3
  },
  "luminance": 0.00473
}

Semantic roles & 50–950 ramp

primary

#040E25

secondary

#68511D

accent

#BB31F7

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010104

muted

#777779

Preview Lab

Preview with #040E25

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

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