Colour

#0001B5

#0001B5
Blue
Dark
Nearest: Medium blue

#0001B5 is a blue with RGB values 0, 1, 181 and HSL 240°, 100%, 35%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0001B5#0001B5

HEX#0001B5

RGBrgb(0, 1, 181)

RGB (0–1)0, 0.0039, 0.7098

RGB percentages0%, 0.4%, 71%

HSLhsl(239.7, 100%, 35.5%)

HSV / HSBhsv(239.7, 100%, 71%)

CMYK100%, 99.4%, 0%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer437

CSS custom property--colour: #0001B5;

Brightness & contrast

Relative luminance0.03358WCAG 2.x, 0 is black and 1 is white

Perceived brightness61.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.56:1

Contrast with white12.56:1WCAG normal text: AAA

Contrast with black1.67:1WCAG normal text: Fail

Greyscale equivalent#0E0E0E

Inverted#FFFE4A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003DB9no red cones; affects about 1% of men; ΔE 31.4 from the original

Deuteranopia#0029B2no green cones; the most common form, about 1% of men; ΔE 19.5 from the original

Tritanopia#004A69no blue cones; rare, and affects men and women equally; ΔE 91.2 from the original

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

Contrast with white, large text12.56:1WCAG large text: AAA

Contrast with black, large text1.67:1WCAG large text: Fail

Named colours

Medium blue · ΔE 10.9 Dark blue · ΔE 19.2 Blue violet · ΔE 24.1 Navy · ΔE 24.4 Dark violet · ΔE 27 Indigo · ΔE 31.4

Nearest named CSS colourMedium blue (#0000CD)ΔE 10.92, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B5B400

Analogous#005BB5, #5A00B5

Triadic#B50001, #01B500

Split complementary#B55A00, #5BB500

Tetradic#B5005B, #B5B400, #00B55A

Tints, shades & saturation

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

Lighter +40%#8283FF

Lighter +30%#4F50FF

Lighter +20%#1C1DFF

Lighter +10%#0001E8

Darker −10%#000182

Darker −20%#00004F

Darker −30%#00001C

Darker −40%#000000

More saturated +25%#0001B5

Less saturated −25%#17179E

Channel breakdown

B181

Red0 (0%)

Green1 (0.4%)

Blue181 (71%)

Hue239.67°

Saturation (HSL)100%

Lightness35.49%

Dominant channelBlue

Hex per channelR 00 · G 01 · B B5

Keep nerding

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

#0001B5

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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