Colour

#04040F

#04040F
Blue
Dark
Nearest: Black

#04040F is a blue with RGB values 4, 4, 15 and HSL 240°, 58%, 4%. It is a dark colour, so white text on it reaches 20.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#04040F#04040F

HEX#04040F

RGBrgb(4, 4, 15)

RGB (0–1)0.0157, 0.0157, 0.0588

RGB percentages1.6%, 1.6%, 5.9%

HSLhsl(240, 57.9%, 3.7%)

HSV / HSBhsv(240, 73.3%, 5.9%)

CMYK73.3%, 73.3%, 0%, 94.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer263,183

CSS custom property--colour: #04040F;

Brightness & contrast

Relative luminance0.00147WCAG 2.x, 0 is black and 1 is white

Perceived brightness6.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 20.4:1

Contrast with white20.4:1WCAG normal text: AAA

Contrast with black1.03:1WCAG normal text: Fail

Greyscale equivalent#050505

Inverted#FBFBF0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#02050Fno red cones; affects about 1% of men; ΔE 0.9 from the original

Deuteranopia#01050Fno green cones; the most common form, about 1% of men; ΔE 1.2 from the original

Tritanopia#020608no blue cones; rare, and affects men and women equally; ΔE 4.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text20.4:1WCAG large text: AAA

Contrast with black, large text1.03:1WCAG large text: Fail

Named colours

Black · ΔE 4.9 Dark slate grey · ΔE 32.8 Dim grey · ΔE 43.3 Slate grey · ΔE 52 Gray · ΔE 52.5 Dark slateblue · ΔE 53.7

Nearest named CSS colourBlack (#000000)ΔE 4.92, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0F0F04

Analogous#040A0F, #0A040F

Triadic#0F0404, #040F04

Split complementary#0F0A04, #0A0F04

Tetradic#0F040A, #0F0F04, #040F0A

Tints, shades & saturation

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

Lighter +40%#2F2FB0

Lighter +30%#242488

Lighter +20%#191960

Lighter +10%#0F0F37

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#020211

Less saturated −25%#06060D

Channel breakdown

B15

Red4 (1.6%)

Green4 (1.6%)

Blue15 (5.9%)

Hue240°

Saturation (HSL)57.89%

Lightness3.73%

Dominant channelBlue

Hex per channelR 04 · G 04 · B 0F

Keep nerding

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

#04040F

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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