Colour

#00366F

#00366F
Blue
Dark
Nearest: Dark slateblue

#00366F is a blue with RGB values 0, 54, 111 and HSL 211°, 100%, 22%. It is a dark colour, so white text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#00366F#00366F

HEX#00366F

RGBrgb(0, 54, 111)

RGB (0–1)0, 0.2118, 0.4353

RGB percentages0%, 21.2%, 43.5%

HSLhsl(210.8, 100%, 21.8%)

HSV / HSBhsv(210.8, 100%, 43.5%)

CMYK100%, 51.4%, 0%, 56.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,935

CSS custom property--colour: #00366F;

Brightness & contrast

Relative luminance0.03786WCAG 2.x, 0 is black and 1 is white

Perceived brightness55.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.95:1

Contrast with white11.95:1WCAG normal text: AAA

Contrast with black1.76:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#FFC990

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#123C71no red cones; affects about 1% of men; ΔE 4.1 from the original

Deuteranopia#00326Eno green cones; the most common form, about 1% of men; ΔE 3.2 from the original

Tritanopia#00444Dno blue cones; rare, and affects men and women equally; ΔE 35.8 from the original

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

Contrast with white, large text11.95:1WCAG large text: AAA

Contrast with black, large text1.76:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.6 Midnight blue · ΔE 27 Steel blue · ΔE 32.6 Rebecca purple · ΔE 36.9 Dark slate grey · ΔE 40.2 Cornflower blue · ΔE 40.8

Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.62, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#6F3900

Analogous#006D6F, #02006F

Triadic#6F0036, #366F00

Split complementary#6F0200, #6D6F00

Tetradic#6F006D, #6F3900, #006F02

Tints, shades & saturation

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

Lighter +40%#3C9BFF

Lighter +30%#0981FF

Lighter +20%#0068D5

Lighter +10%#004FA2

Darker −10%#001D3C

Darker −20%#000409

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00366F

Less saturated −25%#0E3661

Channel breakdown

G54

B111

Red0 (0%)

Green54 (21.2%)

Blue111 (43.5%)

Hue210.81°

Saturation (HSL)100%

Lightness21.76%

Dominant channelBlue

Hex per channelR 00 · G 36 · B 6F

Keep nerding

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

#00366F

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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