Colour

#0059B5

#0059B5
Blue
Dark
Nearest: Royal blue

#0059B5 is a blue with RGB values 0, 89, 181 and HSL 210°, 100%, 35%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#0059B5#0059B5

HEX#0059B5

RGBrgb(0, 89, 181)

RGB (0–1)0, 0.349, 0.7098

RGB percentages0%, 34.9%, 71%

HSLhsl(210.5, 100%, 35.5%)

HSV / HSBhsv(210.5, 100%, 71%)

CMYK100%, 50.8%, 0%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer22,965

CSS custom property--colour: #0059B5;

Brightness & contrast

Relative luminance0.10481WCAG 2.x, 0 is black and 1 is white

Perceived brightness91.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.78:1

Contrast with white6.78:1WCAG normal text: AA

Contrast with black3.1:1WCAG normal text: Fail

Greyscale equivalent#4D4D4D

Inverted#FFA64A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1A63B8no red cones; affects about 1% of men; ΔE 6.6 from the original

Deuteranopia#0054B3no green cones; the most common form, about 1% of men; ΔE 3.3 from the original

Tritanopia#00707Eno blue cones; rare, and affects men and women equally; ΔE 53.5 from the original

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

Contrast with white, large text6.78:1WCAG large text: AAA

Contrast with black, large text3.1:1WCAG large text: AA

Named colours

Royal blue · ΔE 18.2 Dark slateblue · ΔE 18.9 Slate blue · ΔE 22.8 Dodgerblue · ΔE 22.9 Cornflower blue · ΔE 24.4 Medium purple · ΔE 28

Nearest named CSS colourRoyal blue (#4169E1)ΔE 18.22, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B55C00

Analogous#00B4B5, #0200B5

Triadic#B50059, #59B500

Split complementary#B50100, #B4B500

Tetradic#B500B4, #B55C00, #00B501

Tints, shades & saturation

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

Lighter +40%#82BFFF

Lighter +30%#4FA6FF

Lighter +20%#1C8CFF

Lighter +10%#0072E8

Darker −10%#004082

Darker −20%#00274F

Darker −30%#000E1C

Darker −40%#000000

More saturated +25%#0059B5

Less saturated −25%#17599E

Channel breakdown

G89

B181

Red0 (0%)

Green89 (34.9%)

Blue181 (71%)

Hue210.5°

Saturation (HSL)100%

Lightness35.49%

Dominant channelBlue

Hex per channelR 00 · G 59 · B B5

Keep nerding

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

#0059B5

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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