#040136#040136

#040136 is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.8% C 0.099 H 270.5°. Best body text is #FFFFFF at 19.76:1 contrast (WCAG AA passes).

Color values

HEX	#040136
RGB	rgb(4, 1, 54)
HSL	hsl(243, 96%, 11%)
HSV	hsv(243, 98%, 21%)
CMYK	cmyk(92.6%, 98.1%, 0%, 78.8%)
CIE-LAB	lab(2.83, 17.55, -31.19)
CIE-LCH	lch(2.83, 35.79, 299.36°)
OKLab	oklab(15.79% 0.0008 -0.0993)
OKLCH	oklch(15.79% 0.099 270.5)
XYZ	xyz(0.7266, 0.3138, 3.5116)
Luminance	0.0031 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040136 #333601

analogous

#011836 #040136 #1E0136

triadic

#040136 #360401 #013604

tetradic

#040136 #360118 #333601 #01361E

square

#040136 #360118 #333601 #01361E

split-complementary

#040136 #361E01 #183601

monochromatic

#02011E #02011E #040136 #080272 #0D03AE

Accessibility & contrast

On white

19.76

#040136 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#040136 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040136

19.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040136	#FFFFFF	#000000	##FFFFFF
##040136	1.00	19.76	1.06	19.76
#FFFFFF	19.76	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D37

Deuteranopia (green-blind)

#000835

Tritanopia (blue-blind)

#00111C

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #040136;
/* rgb */ color: rgb(4, 1, 54);
/* oklch */ color: oklch(15.8% 0.099 270.5);

Tailwind

colors: {
  custom: {
    50: '#4c466e',
    500: '#040136',
    950: '#000000',
  },
}

SCSS

$custom: #040136;
$custom-light: #4c466e;
$custom-dark: #000000;

JSON

{
  "hex": "#040136",
  "rgb": {
    "r": 4,
    "g": 1,
    "b": 54
  },
  "hsl": {
    "h": 243.396,
    "s": 96.364,
    "l": 10.784
  },
  "oklch": {
    "l": 0.15793,
    "c": 0.09935,
    "h": 270.5
  },
  "luminance": 0.00314
}

Semantic roles & 50–950 ramp

primary

#040136

secondary

#757B18

accent

#FF29F3

background

#F4F3F6

surface

#E7E5EC

border

#C3C1C7

text

#020007

muted

#78777A

Preview Lab

Preview with #040136

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

Preview Lab → · Contrast checker → · Palette generator →