Colour

#04090D

#04090D
Blue
Dark
Nearest: Black

#04090D is a blue with RGB values 4, 9, 13 and HSL 207°, 53%, 3%. It is a dark colour, so white text on it reaches 20:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#04090D#04090D

HEX#04090D

RGBrgb(4, 9, 13)

RGB (0–1)0.0157, 0.0353, 0.051

RGB percentages1.6%, 3.5%, 5.1%

HSLhsl(206.7, 52.9%, 3.3%)

HSV / HSBhsv(206.7, 69.2%, 5.1%)

CMYK69.2%, 30.8%, 0%, 94.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer264,461

CSS custom property--colour: #04090D;

Brightness & contrast

Relative luminance0.0025WCAG 2.x, 0 is black and 1 is white

Perceived brightness8.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 20:1

Contrast with white20:1WCAG normal text: AAA

Contrast with black1.05:1WCAG normal text: Fail

Greyscale equivalent#080808

Inverted#FBF6F2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#07090Dno red cones; affects about 1% of men; ΔE 0.8 from the original

Deuteranopia#06080Dno green cones; the most common form, about 1% of men; ΔE 0.9 from the original

Tritanopia#020A0Ano blue cones; rare, and affects men and women equally; ΔE 1.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text20:1WCAG large text: AAA

Contrast with black, large text1.05:1WCAG large text: Fail

Named colours

Black · ΔE 3.1 Dark slate grey · ΔE 31.1 Dim grey · ΔE 42.2 Slate grey · ΔE 51.3 Gray · ΔE 51.4 Teal · ΔE 54.3

Nearest named CSS colourBlack (#000000)ΔE 3.15, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#0D0804

Analogous#040D0D, #04040D

Triadic#0D0409, #090D04

Split complementary#0D0404, #0D0D04

Tetradic#0D040D, #0D0804, #040D04

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#3475A9

Lighter +30%#285A82

Lighter +20%#1C3F5B

Lighter +10%#102434

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#02090F

Less saturated −25%#06090B

Channel breakdown

B13

Red4 (1.6%)

Green9 (3.5%)

Blue13 (5.1%)

Hue206.67°

Saturation (HSL)52.94%

Lightness3.33%

Dominant channelBlue

Hex per channelR 04 · G 09 · B 0D

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#04090D

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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