Colour

#00040F

#00040F
Blue
Dark
Nearest: Black

#00040F is a blue with RGB values 0, 4, 15 and HSL 224°, 100%, 3%. It is a dark colour, so white text on it reaches 20.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#00040F#00040F

HEX#00040F

RGBrgb(0, 4, 15)

RGB (0–1)0, 0.0157, 0.0588

RGB percentages0%, 1.6%, 5.9%

HSLhsl(224, 100%, 2.9%)

HSV / HSBhsv(224, 100%, 5.9%)

CMYK100%, 73.3%, 0%, 94.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,039

CSS custom property--colour: #00040F;

Brightness & contrast

Relative luminance0.00121WCAG 2.x, 0 is black and 1 is white

Perceived brightness5.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 20.5:1

Contrast with white20.5:1WCAG normal text: AAA

Contrast with black1.02:1WCAG normal text: Fail

Greyscale equivalent#040404

Inverted#FFFBF0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#01050Fno red cones; affects about 1% of men; ΔE 0.5 from the original

Deuteranopia#00030Fno green cones; the most common form, about 1% of men; ΔE 0.5 from the original

Tritanopia#000608no blue cones; rare, and affects men and women equally; ΔE 4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text20.5:1WCAG large text: AAA

Contrast with black, large text1.02:1WCAG large text: Fail

Named colours

Black · ΔE 5 Dark slate grey · ΔE 32.6 Dim grey · ΔE 43.6 Slate grey · ΔE 52.1 Gray · ΔE 52.7 Dark slateblue · ΔE 54.1

Nearest named CSS colourBlack (#000000)ΔE 4.97, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0F0B00

Analogous#000B0F, #04000F

Triadic#0F0004, #040F00

Split complementary#0F0400, #0B0F00

Tetradic#0F000B, #0F0B00, #000F04

Tints, shades & saturation

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

Lighter +40%#003ADB

Lighter +30%#002DA8

Lighter +20%#001F75

Lighter +10%#001242

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00040F

Less saturated −25%#02050D

Channel breakdown

B15

Red0 (0%)

Green4 (1.6%)

Blue15 (5.9%)

Hue224°

Saturation (HSL)100%

Lightness2.94%

Dominant channelBlue

Hex per channelR 00 · G 04 · B 0F

Keep nerding

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

#00040F

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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