Colour

#0102CA

#0102CA
Blue
Dark
Nearest: Medium blue

#0102CA is a blue with RGB values 1, 2, 202 and HSL 240°, 99%, 40%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0102CA#0102CA

HEX#0102CA

RGBrgb(1, 2, 202)

RGB (0–1)0.0039, 0.0078, 0.7922

RGB percentages0.4%, 0.8%, 79.2%

HSLhsl(239.7, 99%, 39.8%)

HSV / HSBhsv(239.7, 99.5%, 79.2%)

CMYK99.5%, 99%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer66,250

CSS custom property--colour: #0102CA;

Brightness & contrast

Relative luminance0.04314WCAG 2.x, 0 is black and 1 is white

Perceived brightness68.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.27:1

Contrast with white11.27:1WCAG normal text: AAA

Contrast with black1.86:1WCAG normal text: Fail

Greyscale equivalent#101010

Inverted#FEFD35

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0045CFno red cones; affects about 1% of men; ΔE 33.5 from the original

Deuteranopia#002FC7no green cones; the most common form, about 1% of men; ΔE 20.9 from the original

Tritanopia#005476no blue cones; rare, and affects men and women equally; ΔE 99.1 from the original

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

Contrast with white, large text11.27:1WCAG large text: AAA

Contrast with black, large text1.86:1WCAG large text: Fail

Named colours

Medium blue · ΔE 1.7 Blue · ΔE 23.3 Blue violet · ΔE 23.7 Dark violet · ΔE 26.9 Dark blue · ΔE 28.4 Navy · ΔE 33.6

Nearest named CSS colourMedium blue (#0000CD)ΔE 1.74, below the just-noticeable difference

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CAC901

Analogous#0166CA, #6501CA

Triadic#CA0102, #02CA01

Split complementary#CA6401, #67CA01

Tetradic#CA0166, #CAC901, #01CA64

Tints, shades & saturation

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

Lighter +40%#9999FE

Lighter +30%#6667FE

Lighter +20%#3334FE

Lighter +10%#0103FD

Darker −10%#010197

Darker −20%#000165

Darker −30%#000032

Darker −40%#000000

More saturated +25%#0001CB

Less saturated −25%#1A1BB1

Channel breakdown

B202

Red1 (0.4%)

Green2 (0.8%)

Blue202 (79.2%)

Hue239.7°

Saturation (HSL)99.01%

Lightness39.8%

Dominant channelBlue

Hex per channelR 01 · G 02 · B CA

Keep nerding

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#0102CA

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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