#040429#040429

#040429 is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 14.7% C 0.075 H 272.3°. Best body text is #FFFFFF at 19.91:1 contrast (WCAG AA passes).

Color values

HEX	#040429
RGB	rgb(4, 4, 41)
HSL	hsl(240, 82%, 9%)
HSV	hsv(240, 90%, 16%)
CMYK	cmyk(90.2%, 90.2%, 0%, 83.9%)
CIE-LAB	lab(2.46, 9.60, -22.01)
CIE-LCH	lch(2.46, 24.01, 293.57°)
OKLab	oklab(14.69% 0.003 -0.075)
OKLCH	oklch(14.69% 0.075 272.3)
XYZ	xyz(0.4936, 0.2727, 2.1240)
Luminance	0.0027 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040429 #292904

analogous

#041729 #040429 #170429

triadic

#040429 #290404 #042904

tetradic

#040429 #290417 #292904 #042917

square

#040429 #290417 #292904 #042917

split-complementary

#040429 #291704 #172904

monochromatic

#03031C #03031C #040429 #090961 #0F0F99

Accessibility & contrast

On white

19.91

#040429 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#040429 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040429

19.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040429	#FFFFFF	#000000	##FFFFFF
##040429	1.00	19.91	1.05	19.91
#FFFFFF	19.91	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	19.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000B2A

Deuteranopia (green-blind)

#000728

Tritanopia (blue-blind)

#000E15

Achromatopsia (no color)

#090909

Design tokens & code

CSS

--color: #040429;
/* rgb */ color: rgb(4, 4, 41);
/* oklch */ color: oklch(14.7% 0.075 272.3);

Tailwind

colors: {
  custom: {
    50: '#494863',
    500: '#040429',
    950: '#000000',
  },
}

SCSS

$custom: #040429;
$custom-light: #494863;
$custom-dark: #000000;

JSON

{
  "hex": "#040429",
  "rgb": {
    "r": 4,
    "g": 4,
    "b": 41
  },
  "hsl": {
    "h": 240,
    "s": 82.222,
    "l": 8.824
  },
  "oklch": {
    "l": 0.14685,
    "c": 0.07502,
    "h": 272.3
  },
  "luminance": 0.00273
}

Semantic roles & 50–950 ramp

primary

#040429

secondary

#6C6C1D

accent

#F92FF9

background

#F4F4F5

surface

#E7E6EA

border

#C3C2C6

text

#010005

muted

#777779

Preview Lab

Preview with #040429

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

Preview Lab → · Contrast checker → · Palette generator →