Recognised as Colour

#040F1D

#040F1D
Blue
Dark
Nearest: Black

#040F1D is a blue with RGB values 4, 15, 29 and HSL 214°, 76%, 6%. It is a dark colour, so white text on it reaches 19.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#040F1D#040F1D

HEX#040F1D

RGBrgb(4, 15, 29)

RGB (0–1)0.0157, 0.0588, 0.1137

RGB percentages1.6%, 5.9%, 11.4%

HSLhsl(213.6, 75.8%, 6.5%)

HSV / HSBhsv(213.6, 86.2%, 11.4%)

CMYK86.2%, 48.3%, 0%, 88.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer266,013

CSS custom property--colour: #040F1D;

Brightness & contrast

Relative luminance0.00456WCAG 2.x, 0 is black and 1 is white

Perceived brightness15.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.24:1

Contrast with white19.24:1WCAG normal text: AAA

Contrast with black1.09:1WCAG normal text: Fail

Greyscale equivalent#0E0E0E

Inverted#FBF0E2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#09101Eno red cones; affects about 1% of men; ΔE 1.3 from the original

Deuteranopia#060D1Dno green cones; the most common form, about 1% of men; ΔE 1.7 from the original

Tritanopia#001214no blue cones; rare, and affects men and women equally; ΔE 8.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.24:1WCAG large text: AAA

Contrast with black, large text1.09:1WCAG large text: Fail

Named colours

Black · ΔE 11 Dark slate grey · ΔE 30.4 Dim grey · ΔE 41.6 Slate grey · ΔE 48.8 Dark slateblue · ΔE 48.9 Gray · ΔE 50.5

Nearest named CSS colourBlack (#000000)ΔE 10.96, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1D1204

Analogous#041B1D, #06041D

Triadic#1D040F, #0F1D04

Split complementary#1D0604, #1B1D04

Tetradic#1D041B, #1D1204, #041D06

Tints, shades & saturation

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

Lighter +40%#1D6CD0

Lighter +30%#1755A3

Lighter +20%#103D77

Lighter +10%#0A264A

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000F21

Less saturated −25%#080F19

Channel breakdown

G15

B29

Red4 (1.6%)

Green15 (5.9%)

Blue29 (11.4%)

Hue213.6°

Saturation (HSL)75.76%

Lightness6.47%

Dominant channelBlue

Hex per channelR 04 · G 0F · B 1D

Keep nerding

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

#040F1D

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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