#040833#040833

#040833 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.1% C 0.084 H 268.8°. Best body text is #FFFFFF at 19.31:1 contrast (WCAG AA passes).

Color values

HEX	#040833
RGB	rgb(4, 8, 51)
HSL	hsl(235, 85%, 11%)
HSV	hsv(235, 92%, 20%)
CMYK	cmyk(92.2%, 84.3%, 0%, 80%)
CIE-LAB	lab(3.96, 13.01, -27.16)
CIE-LCH	lch(3.96, 30.11, 295.59°)
OKLab	oklab(17.06% -0.0017 -0.0836)
OKLCH	oklch(17.06% 0.084 268.8)
XYZ	xyz(0.7342, 0.4384, 3.1772)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040833 #332F04

analogous

#041F33 #040833 #170433

triadic

#040833 #330408 #083304

tetradic

#040833 #33041F #332F04 #043317

square

#040833 #33041F #332F04 #043317

split-complementary

#040833 #331704 #1F3304

monochromatic

#02041C #02041C #040833 #08116C #0D1AA4

Accessibility & contrast

On white

19.31

#040833 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#040833 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040833

19.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040833	#FFFFFF	#000000	##FFFFFF
##040833	1.00	19.31	1.09	19.31
#FFFFFF	19.31	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001034

Deuteranopia (green-blind)

#000C32

Tritanopia (blue-blind)

#00141C

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #040833;
/* rgb */ color: rgb(4, 8, 51);
/* oklch */ color: oklch(17.1% 0.084 268.8);

Tailwind

colors: {
  custom: {
    50: '#4c4a6b',
    500: '#040833',
    950: '#000000',
  },
}

SCSS

$custom: #040833;
$custom-light: #4c4a6b;
$custom-dark: #000000;

JSON

{
  "hex": "#040833",
  "rgb": {
    "r": 4,
    "g": 8,
    "b": 51
  },
  "hsl": {
    "h": 234.894,
    "s": 85.455,
    "l": 10.784
  },
  "oklch": {
    "l": 0.17063,
    "c": 0.08358,
    "h": 268.8
  },
  "luminance": 0.00438
}

Semantic roles & 50–950 ramp

primary

#040833

secondary

#756E1D

accent

#EA2CFC

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #040833

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

Preview Lab → · Contrast checker → · Palette generator →