#040229#040229

#040229 is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 14.1% C 0.079 H 273.5°. Best body text is #FFFFFF at 20.08:1 contrast (WCAG AA passes).

Color values

HEX	#040229
RGB	rgb(4, 2, 41)
HSL	hsl(243, 91%, 8%)
HSV	hsv(243, 95%, 16%)
CMYK	cmyk(90.2%, 95.1%, 0%, 83.9%)
CIE-LAB	lab(2.07, 10.40, -22.62)
CIE-LCH	lch(2.07, 24.90, 294.70°)
OKLab	oklab(14.05% 0.0048 -0.0793)
OKLCH	oklch(14.05% 0.079 273.5)
XYZ	xyz(0.4719, 0.2293, 2.1168)
Luminance	0.0023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040229 #272902

analogous

#021329 #040229 #170229

triadic

#040229 #290402 #022904

tetradic

#040229 #290213 #272902 #022917

square

#040229 #290213 #272902 #022917

split-complementary

#040229 #291702 #132902

monochromatic

#03011D #03011D #040229 #0A0563 #0F089E

Accessibility & contrast

On white

20.08

#040229 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#040229 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040229

20.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040229	#FFFFFF	#000000	##FFFFFF
##040229	1.00	20.08	1.05	20.08
#FFFFFF	20.08	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	20.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00092A

Deuteranopia (green-blind)

#000628

Tritanopia (blue-blind)

#000C14

Achromatopsia (no color)

#080808

Design tokens & code

CSS

--color: #040229;
/* rgb */ color: rgb(4, 2, 41);
/* oklch */ color: oklch(14.1% 0.079 273.5);

Tailwind

colors: {
  custom: {
    50: '#494763',
    500: '#040229',
    950: '#000000',
  },
}

SCSS

$custom: #040229;
$custom-light: #494763;
$custom-dark: #000000;

JSON

{
  "hex": "#040229",
  "rgb": {
    "r": 4,
    "g": 2,
    "b": 41
  },
  "hsl": {
    "h": 243.077,
    "s": 90.698,
    "l": 8.431
  },
  "oklch": {
    "l": 0.1405,
    "c": 0.0794,
    "h": 273.5
  },
  "luminance": 0.00229
}

Semantic roles & 50–950 ramp

primary

#040229

secondary

#6A6E19

accent

#FF29F4

background

#F4F4F5

surface

#E7E6EA

border

#C3C2C6

text

#010005

muted

#777779

Preview Lab

Preview with #040229

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

Preview Lab → · Contrast checker → · Palette generator →