Recognised as Colour

#0159B2

#0159B2
Blue
Dark
Nearest: Dark slateblue

#0159B2 is a blue with RGB values 1, 89, 178 and HSL 210°, 99%, 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 Dark slateblue.

Colour values

#0159B2#0159B2

HEX#0159B2

RGBrgb(1, 89, 178)

RGB (0–1)0.0039, 0.349, 0.698

RGB percentages0.4%, 34.9%, 69.8%

HSLhsl(210.2, 98.9%, 35.1%)

HSV / HSBhsv(210.2, 99.4%, 69.8%)

CMYK99.4%, 50%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer88,498

CSS custom property--colour: #0159B2;

Brightness & contrast

Relative luminance0.10366WCAG 2.x, 0 is black and 1 is white

Perceived brightness90.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.83:1

Contrast with white6.83:1WCAG normal text: AA

Contrast with black3.07:1WCAG normal text: Fail

Greyscale equivalent#4D4D4D

Inverted#FEA64D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1F62B5no red cones; affects about 1% of men; ΔE 5.7 from the original

Deuteranopia#0054B0no green cones; the most common form, about 1% of men; ΔE 3.3 from the original

Tritanopia#006F7Dno blue cones; rare, and affects men and women equally; ΔE 51.5 from the original

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

Contrast with white, large text6.83:1WCAG large text: AAA

Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 18.7 Royal blue · ΔE 19.9 Dodgerblue · ΔE 23.4 Cornflower blue · ΔE 24.1 Slate blue · ΔE 24.2 Medium purple · ΔE 28.9

Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.68, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B25A01

Analogous#01B2B2, #0201B2

Triadic#B20159, #59B201

Split complementary#B20101, #B2B201

Tetradic#B201B1, #B25A01, #01B201

Tints, shades & saturation

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

Lighter +40%#81BFFE

Lighter +30%#4EA6FE

Lighter +20%#1B8CFE

Lighter +10%#0172E5

Darker −10%#01407F

Darker −20%#00264D

Darker −30%#000D1A

Darker −40%#000000

More saturated +25%#0059B3

Less saturated −25%#17599C

Channel breakdown

G89

B178

Red1 (0.4%)

Green89 (34.9%)

Blue178 (69.8%)

Hue210.17°

Saturation (HSL)98.88%

Lightness35.1%

Dominant channelBlue

Hex per channelR 01 · G 59 · B B2

Keep nerding

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

#0159B2

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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