Colour

#004291

#004291
Blue
Dark
Nearest: Dark slateblue

#004291 is a blue with RGB values 0, 66, 145 and HSL 213°, 100%, 28%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#004291#004291

HEX#004291

RGBrgb(0, 66, 145)

RGB (0–1)0, 0.2588, 0.5686

RGB percentages0%, 25.9%, 56.9%

HSLhsl(212.7, 100%, 28.4%)

HSV / HSBhsv(212.7, 100%, 56.9%)

CMYK100%, 54.5%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer17,041

CSS custom property--colour: #004291;

Brightness & contrast

Relative luminance0.05941WCAG 2.x, 0 is black and 1 is white

Perceived brightness70.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.6:1

Contrast with white9.6:1WCAG normal text: AAA

Contrast with black2.19:1WCAG normal text: Fail

Greyscale equivalent#3A3A3A

Inverted#FFBD6E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004B94no red cones; affects about 1% of men; ΔE 6.4 from the original

Deuteranopia#003F8Fno green cones; the most common form, about 1% of men; ΔE 1.7 from the original

Tritanopia#005663no blue cones; rare, and affects men and women equally; ΔE 47.4 from the original

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

Contrast with white, large text9.6:1WCAG large text: AAA

Contrast with black, large text2.19:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.8 Midnight blue · ΔE 21.4 Royal blue · ΔE 27.4 Slate blue · ΔE 28 Rebecca purple · ΔE 28.1 Cornflower blue · ΔE 33.2

Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.81, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#914F00

Analogous#008B91, #060091

Triadic#910042, #429100

Split complementary#910600, #8B9100

Tetradic#91008B, #914F00, #009106

Tints, shades & saturation

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

Lighter +40%#5EA7FF

Lighter +30%#2B8BFF

Lighter +20%#0070F7

Lighter +10%#0059C4

Darker −10%#002B5E

Darker −20%#00142B

Darker −30%#000000

Darker −40%#000000

More saturated +25%#004291

Less saturated −25%#12447F

Channel breakdown

G66

B145

Red0 (0%)

Green66 (25.9%)

Blue145 (56.9%)

Hue212.69°

Saturation (HSL)100%

Lightness28.43%

Dominant channelBlue

Hex per channelR 00 · G 42 · B 91

Keep nerding

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

#004291

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

Nerdulate something else