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Colour

#040715

  • #040715
  • Blue
  • Dark
  • Nearest: Black

#040715 is a blue with RGB values 4, 7, 21 and HSL 229°, 68%, 5%. It is a dark colour, so white text on it reaches 20.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#040715#040715
HEX#040715
RGBrgb(4, 7, 21)
RGB (0–1)0.0157, 0.0275, 0.0824
RGB percentages1.6%, 2.7%, 8.2%
HSLhsl(229.4, 68%, 4.9%)
HSV / HSBhsv(229.4, 81%, 8.2%)
CMYK81%, 66.7%, 0%, 91.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer263,957
CSS custom property--colour: #040715;

Brightness & contrast

Relative luminance0.00232WCAG 2.x, 0 is black and 1 is white
Perceived brightness9.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 20.07:1
Contrast with white20.07:1WCAG normal text: AAA
Contrast with black1.05:1WCAG normal text: Fail
Greyscale equivalent#070707
Inverted#FBF8EA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#030816no red cones; affects about 1% of men; ΔE 0.6 from the original
Deuteranopia#020715no green cones; the most common form, about 1% of men; ΔE 0.6 from the original
Tritanopia#000A0Cno blue cones; rare, and affects men and women equally; ΔE 6.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.07:1WCAG large text: AAA
Contrast with black, large text1.05:1WCAG large text: Fail

Named colours

Black · ΔE 7.5Dark slate grey · ΔE 32.3Dim grey · ΔE 42.9Slate grey · ΔE 51Dark slateblue · ΔE 51.5Gray · ΔE 52
Nearest named CSS colourBlack (#000000)ΔE 7.48, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#151204
Analogous#040F15, #0A0415
Triadic#150407, #071504
Split complementary#150A04, #0F1504
Tetradic#15040F, #151204, #04150A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2540C0
Lighter +30%#1C3296
Lighter +20%#14246B
Lighter +10%#0C1540
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#010518
Less saturated −25%#070912

Channel breakdown

R4
G7
B21
Red4 (1.6%)
Green7 (2.7%)
Blue21 (8.2%)
Hue229.41°
Saturation (HSL)68%
Lightness4.9%
Dominant channelBlue
Hex per channelR 04 · G 07 · B 15

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Every value on this page was computed from “hex 040715” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.