#040630#040630

#040630 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.2% C 0.082 H 270.0°. Best body text is #FFFFFF at 19.56:1 contrast (WCAG AA passes).

Color values

HEX	#040630
RGB	rgb(4, 6, 48)
HSL	hsl(237, 85%, 10%)
HSV	hsv(237, 92%, 19%)
CMYK	cmyk(91.7%, 87.5%, 0%, 81.2%)
CIE-LAB	lab(3.34, 12.18, -25.92)
CIE-LCH	lch(3.34, 28.64, 295.17°)
OKLab	oklab(16.19% 0 -0.0821)
OKLCH	oklch(16.19% 0.082 270)
XYZ	xyz(0.6485, 0.3694, 2.8329)
Luminance	0.0037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040630 #302E04

analogous

#041C30 #040630 #180430

triadic

#040630 #300406 #063004

tetradic

#040630 #30041C #302E04 #043018

square

#040630 #30041C #302E04 #043018

split-complementary

#040630 #301804 #1C3004

monochromatic

#02041C #02041C #040630 #090D68 #0D14A1

Accessibility & contrast

On white

19.56

#040630 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#040630 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040630

19.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040630	#FFFFFF	#000000	##FFFFFF
##040630	1.00	19.56	1.07	19.56
#FFFFFF	19.56	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E31

Deuteranopia (green-blind)

#000A2F

Tritanopia (blue-blind)

#00121A

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #040630;
/* rgb */ color: rgb(4, 6, 48);
/* oklch */ color: oklch(16.2% 0.082 270.0);

Tailwind

colors: {
  custom: {
    50: '#4a4969',
    500: '#040630',
    950: '#000000',
  },
}

SCSS

$custom: #040630;
$custom-light: #4a4969;
$custom-dark: #000000;

JSON

{
  "hex": "#040630",
  "rgb": {
    "r": 4,
    "g": 6,
    "b": 48
  },
  "hsl": {
    "h": 237.273,
    "s": 84.615,
    "l": 10.196
  },
  "oklch": {
    "l": 0.16192,
    "c": 0.08211,
    "h": 270
  },
  "luminance": 0.00369
}

Semantic roles & 50–950 ramp

primary

#040630

secondary

#726F1D

accent

#F22DFB

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010006

muted

#77777A

Preview Lab

Preview with #040630

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

Preview Lab → · Contrast checker → · Palette generator →