Colour

#0A0099

#0A0099
Blue
Dark
Nearest: Dark blue

#0A0099 is a blue with RGB values 10, 0, 153 and HSL 244°, 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

#0A0099#0A0099

HEX#0A0099

RGBrgb(10, 0, 153)

RGB (0–1)0.0392, 0, 0.6

RGB percentages3.9%, 0%, 60%

HSLhsl(243.9, 100%, 30%)

HSV / HSBhsv(243.9, 100%, 60%)

CMYK93.5%, 100%, 0%, 40%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer655,513

CSS custom property--colour: #0A0099;

Brightness & contrast

Relative luminance0.02364WCAG 2.x, 0 is black and 1 is white

Perceived brightness51.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.26:1

Contrast with white14.26:1WCAG normal text: AAA

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

Greyscale equivalent#0D0D0D

Inverted#F5FF66

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00329Dno red cones; affects about 1% of men; ΔE 27.3 from the original

Deuteranopia#002297no green cones; the most common form, about 1% of men; ΔE 17.6 from the original

Tritanopia#003D58no blue cones; rare, and affects men and women equally; ΔE 80.1 from the original

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

Contrast with white, large text14.26:1WCAG large text: AAA

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

Named colours

Dark blue · ΔE 6.4 Navy · ΔE 11.6 Indigo · ΔE 20.2 Medium blue · ΔE 23.8 Blue violet · ΔE 29.5 Dark orchid · ΔE 31.2

Nearest named CSS colourDark blue (#00008B)ΔE 6.36, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8F9900

Analogous#004399, #560099

Triadic#990A00, #00990A

Split complementary#995600, #439900

Tetradic#990043, #8F9900, #009956

Tints, shades & saturation

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

Lighter +40%#7066FF

Lighter +30%#4033FF

Lighter +20%#1100FF

Lighter +10%#0D00CC

Darker −10%#070066

Darker −20%#030033

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0A0099

Less saturated −25%#1B1386

Channel breakdown

R10

B153

Red10 (3.9%)

Green0 (0%)

Blue153 (60%)

Hue243.92°

Saturation (HSL)100%

Lightness30%

Dominant channelBlue

Hex per channelR 0A · G 00 · B 99

Keep nerding

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#0A0099

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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