Colour

#04005D

#04005D
Blue
Dark
Nearest: Midnight blue

#04005D is a blue with RGB values 4, 0, 93 and HSL 243°, 100%, 18%. It is a dark colour, so white text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#04005D#04005D

HEX#04005D

RGBrgb(4, 0, 93)

RGB (0–1)0.0157, 0, 0.3647

RGB percentages1.6%, 0%, 36.5%

HSLhsl(242.6, 100%, 18.2%)

HSV / HSBhsv(242.6, 100%, 36.5%)

CMYK95.7%, 100%, 0%, 63.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer262,237

CSS custom property--colour: #04005D;

Brightness & contrast

Relative luminance0.00816WCAG 2.x, 0 is black and 1 is white

Perceived brightness31.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.05:1

Contrast with white18.05:1WCAG normal text: AAA

Contrast with black1.16:1WCAG normal text: Fail

Greyscale equivalent#080808

Inverted#FBFFA2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001B5Fno red cones; affects about 1% of men; ΔE 19.3 from the original

Deuteranopia#00115Cno green cones; the most common form, about 1% of men; ΔE 12.3 from the original

Tritanopia#002233no blue cones; rare, and affects men and women equally; ΔE 56.2 from the original

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

Contrast with white, large text18.05:1WCAG large text: AAA

Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10.6 Navy · ΔE 17.5 Indigo · ΔE 19.2 Dark blue · ΔE 22.8 Rebecca purple · ΔE 26.3 Dark slateblue · ΔE 27.8

Nearest named CSS colourMidnight blue (#191970)ΔE 10.61, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#595D00

Analogous#002B5D, #32005D

Triadic#5D0400, #005D04

Split complementary#5D3200, #2B5D00

Tetradic#5D002B, #595D00, #005D32

Tints, shades & saturation

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

Lighter +40%#332AFF

Lighter +30%#0B00F6

Lighter +20%#0800C3

Lighter +10%#060090

Darker −10%#02002A

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#04005D

Less saturated −25%#0F0C51

Channel breakdown

B93

Red4 (1.6%)

Green0 (0%)

Blue93 (36.5%)

Hue242.58°

Saturation (HSL)100%

Lightness18.24%

Dominant channelBlue

Hex per channelR 04 · G 00 · B 5D

Keep nerding

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#04005D

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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