Recognised as Colour

#0101D8

#0101D8
Blue
Dark
Nearest: Medium blue

#0101D8 is a blue with RGB values 1, 1, 216 and HSL 240°, 99%, 43%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0101D8#0101D8

HEX#0101D8

RGBrgb(1, 1, 216)

RGB (0–1)0.0039, 0.0039, 0.8471

RGB percentages0.4%, 0.4%, 84.7%

HSLhsl(240, 99.1%, 42.5%)

HSV / HSBhsv(240, 99.5%, 84.7%)

CMYK99.5%, 99.5%, 0%, 15.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer66,008

CSS custom property--colour: #0101D8;

Brightness & contrast

Relative luminance0.04986WCAG 2.x, 0 is black and 1 is white

Perceived brightness72.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.51:1

Contrast with white10.51:1WCAG normal text: AAA

Contrast with black2:1WCAG normal text: Fail

Greyscale equivalent#111111

Inverted#FEFE27

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004ADDno red cones; affects about 1% of men; ΔE 35.4 from the original

Deuteranopia#0033D5no green cones; the most common form, about 1% of men; ΔE 22.2 from the original

Tritanopia#005A7Eno blue cones; rare, and affects men and women equally; ΔE 104.5 from the original

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

Contrast with white, large text10.51:1WCAG large text: AAA

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

Named colours

Medium blue · ΔE 4.6 Blue · ΔE 16.9 Blue violet · ΔE 25.5 Dark violet · ΔE 28.6 Dark blue · ΔE 34.7 Dark orchid · ΔE 39

Nearest named CSS colourMedium blue (#0000CD)ΔE 4.65, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#D8D801

Analogous#016DD8, #6D01D8

Triadic#D80101, #01D801

Split complementary#D86D01, #6DD801

Tetradic#D8016D, #D8D801, #01D86D

Tints, shades & saturation

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

Lighter +40%#A6A6FF

Lighter +30%#7474FE

Lighter +20%#4141FE

Lighter +10%#0E0EFE

Darker −10%#0101A5

Darker −20%#010172

Darker −30%#000040

Darker −40%#00000D

More saturated +25%#0000D9

Less saturated −25%#1C1CBD

Channel breakdown

B216

Red1 (0.4%)

Green1 (0.4%)

Blue216 (84.7%)

Hue240°

Saturation (HSL)99.08%

Lightness42.55%

Dominant channelBlue

Hex per channelR 01 · G 01 · B D8

Keep nerding

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

#0101D8

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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