Colour

#04009A

#04009A
Blue
Dark
Nearest: Dark blue

#04009A is a blue with RGB values 4, 0, 154 and HSL 242°, 100%, 30%. It is a dark colour, so white text on it reaches 14.3:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#04009A#04009A

HEX#04009A

RGBrgb(4, 0, 154)

RGB (0–1)0.0157, 0, 0.6039

RGB percentages1.6%, 0%, 60.4%

HSLhsl(241.6, 100%, 30.2%)

HSV / HSBhsv(241.6, 100%, 60.4%)

CMYK97.4%, 100%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer262,298

CSS custom property--colour: #04009A;

Brightness & contrast

Relative luminance0.02359WCAG 2.x, 0 is black and 1 is white

Perceived brightness52 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.27:1

Contrast with white14.27:1WCAG normal text: AAA

Contrast with black1.47:1WCAG normal text: Fail

Greyscale equivalent#0C0C0C

Inverted#FBFF65

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00329Eno red cones; affects about 1% of men; ΔE 27.2 from the original

Deuteranopia#002298no green cones; the most common form, about 1% of men; ΔE 17.6 from the original

Tritanopia#003E58no blue cones; rare, and affects men and women equally; ΔE 81.6 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text14.27:1WCAG large text: AAA

Contrast with black, large text1.47:1WCAG large text: Fail

Named colours

Dark blue · ΔE 6.9 Navy · ΔE 12.2 Indigo · ΔE 20.9 Medium blue · ΔE 23.2 Blue violet · ΔE 29.3 Dark orchid · ΔE 31.4

Nearest named CSS colourDark blue (#00008B)ΔE 6.95, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#969A00

Analogous#00499A, #51009A

Triadic#9A0400, #009A04

Split complementary#9A5100, #499A00

Tetradic#9A0049, #969A00, #009A51

Tints, shades & saturation

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

Lighter +40%#6B67FF

Lighter +30%#3934FF

Lighter +20%#0801FF

Lighter +10%#0500CD

Darker −10%#030067

Darker −20%#010034

Darker −30%#000001

Darker −40%#000000

More saturated +25%#04009A

Less saturated −25%#161387

Channel breakdown

B154

Red4 (1.6%)

Green0 (0%)

Blue154 (60.4%)

Hue241.56°

Saturation (HSL)100%

Lightness30.2%

Dominant channelBlue

Hex per channelR 04 · G 00 · B 9A

Keep nerding

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#04009A

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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