#040E35#040E35

#040E35 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.6% C 0.078 H 265.9°. Best body text is #FFFFFF at 18.76:1 contrast (WCAG AA passes).

Color values

HEX	#040E35
RGB	rgb(4, 14, 53)
HSL	hsl(228, 86%, 11%)
HSV	hsv(228, 92%, 21%)
CMYK	cmyk(92.5%, 73.6%, 0%, 79.2%)
CIE-LAB	lab(5.39, 11.56, -26.33)
CIE-LCH	lch(5.39, 28.76, 293.70°)
OKLab	oklab(18.64% -0.0055 -0.0779)
OKLCH	oklch(18.64% 0.078 265.9)
XYZ	xyz(0.8495, 0.5968, 3.4379)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.22

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040E35 #352B04

analogous

#042635 #040E35 #120435

triadic

#040E35 #35040E #0E3504

tetradic

#040E35 #350426 #352B04 #043512

square

#040E35 #350426 #352B04 #043512

split-complementary

#040E35 #351204 #263504

monochromatic

#02081C #02081C #040E35 #081D6E #0D2CA7

Accessibility & contrast

On white

18.76

#040E35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#040E35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040E35

18.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040E35	#FFFFFF	#000000	##FFFFFF
##040E35	1.00	18.76	1.12	18.76
#FFFFFF	18.76	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001436

Deuteranopia (green-blind)

#001034

Tritanopia (blue-blind)

#00181F

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #040e35;
/* rgb */ color: rgb(4, 14, 53);
/* oklch */ color: oklch(18.6% 0.078 265.9);

Tailwind

colors: {
  custom: {
    50: '#4d4d6d',
    500: '#040e35',
    950: '#000000',
  },
}

SCSS

$custom: #040e35;
$custom-light: #4d4d6d;
$custom-dark: #000000;

JSON

{
  "hex": "#040e35",
  "rgb": {
    "r": 4,
    "g": 14,
    "b": 53
  },
  "hsl": {
    "h": 227.755,
    "s": 85.965,
    "l": 11.176
  },
  "oklch": {
    "l": 0.18637,
    "c": 0.07815,
    "h": 265.9
  },
  "luminance": 0.00597
}

Semantic roles & 50–950 ramp

primary

#040E35

secondary

#77651E

accent

#D22CFC

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020107

muted

#78777A

Preview Lab

Preview with #040E35

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

Preview Lab → · Contrast checker → · Palette generator →