Colour

#0059DB

#0059DB
Blue
Dark
Nearest: Royal blue

#0059DB is a blue with RGB values 0, 89, 219 and HSL 216°, 100%, 43%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#0059DB#0059DB

HEX#0059DB

RGBrgb(0, 89, 219)

RGB (0–1)0, 0.349, 0.8588

RGB percentages0%, 34.9%, 85.9%

HSLhsl(215.6, 100%, 42.9%)

HSV / HSBhsv(215.6, 100%, 85.9%)

CMYK100%, 59.4%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer23,003

CSS custom property--colour: #0059DB;

Brightness & contrast

Relative luminance0.12259WCAG 2.x, 0 is black and 1 is white

Perceived brightness100.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.08:1

Contrast with white6.08:1WCAG normal text: AA

Contrast with black3.45:1WCAG normal text: Fail

Greyscale equivalent#4F4F4F

Inverted#FFA624

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#006CDFno red cones; affects about 1% of men; ΔE 13.7 from the original

Deuteranopia#0059D9no green cones; the most common form, about 1% of men; ΔE 1.2 from the original

Tritanopia#007B91no blue cones; rare, and affects men and women equally; ΔE 72.5 from the original

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

Contrast with white, large text6.08:1WCAG large text: AAA

Contrast with black, large text3.45:1WCAG large text: AA

Named colours

Royal blue · ΔE 9.8 Slate blue · ΔE 16 Medium slateblue · ΔE 16.8 Medium purple · ΔE 26.6 Dodgerblue · ΔE 27.9 Rebecca purple · ΔE 29.5

Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.82, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DB8200

Analogous#00C6DB, #1500DB

Triadic#DB0059, #59DB00

Split complementary#DB1500, #C6DB00

Tetradic#DB00C6, #DB8200, #00DB15

Tints, shades & saturation

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

Lighter +40%#A8CBFF

Lighter +30%#75ADFF

Lighter +20%#428FFF

Lighter +10%#0F71FF

Darker −10%#0044A8

Darker −20%#003075

Darker −30%#001B42

Darker −40%#00060F

More saturated +25%#0059DB

Less saturated −25%#1B5EC0

Channel breakdown

G89

B219

Red0 (0%)

Green89 (34.9%)

Blue219 (85.9%)

Hue215.62°

Saturation (HSL)100%

Lightness42.94%

Dominant channelBlue

Hex per channelR 00 · G 59 · B DB

Keep nerding

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#0059DB

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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