Colour

#1963B3

#1963B3
Blue
Dark
Nearest: Cornflower blue

#1963B3 is a blue with RGB values 25, 99, 179 and HSL 211°, 75%, 40%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#1963B3#1963B3

HEX#1963B3

RGBrgb(25, 99, 179)

RGB (0–1)0.098, 0.3882, 0.702

RGB percentages9.8%, 38.8%, 70.2%

HSLhsl(211.2, 75.5%, 40%)

HSV / HSBhsv(211.2, 86%, 70.2%)

CMYK86%, 44.7%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,663,923

CSS custom property--colour: #1963B3;

Brightness & contrast

Relative luminance0.12385WCAG 2.x, 0 is black and 1 is white

Perceived brightness97.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.04:1

Contrast with white6.04:1WCAG normal text: AA

Contrast with black3.48:1WCAG normal text: Fail

Greyscale equivalent#595959

Inverted#E69C4C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#396AB6no red cones; affects about 1% of men; ΔE 4.7 from the original

Deuteranopia#165CB1no green cones; the most common form, about 1% of men; ΔE 4.8 from the original

Tritanopia#007682no blue cones; rare, and affects men and women equally; ΔE 46.5 from the original

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

Contrast with white, large text6.04:1WCAG large text: AAA

Contrast with black, large text3.48:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 20.1 Dark slateblue · ΔE 21.8 Dodgerblue · ΔE 23 Steel blue · ΔE 23.2 Royal blue · ΔE 25.2 Slate blue · ΔE 29.4

Nearest named CSS colourCornflower blue (#6495ED)ΔE 20.14, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B36919

Analogous#19B0B3, #1C19B3

Triadic#B31963, #63B319

Split complementary#B31C19, #B0B319

Tetradic#B319B0, #B36919, #19B31C

Tints, shades & saturation

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

Lighter +40%#A6CBF3

Lighter +30%#79B0EC

Lighter +20%#4C96E6

Lighter +10%#1F7CE0

Darker −10%#134A86

Darker −20%#0C325A

Darker −30%#06192D

Darker −40%#000000

More saturated +25%#0062CC

Less saturated −25%#33649A

Channel breakdown

R25

G99

B179

Red25 (9.8%)

Green99 (38.8%)

Blue179 (70.2%)

Hue211.17°

Saturation (HSL)75.49%

Lightness40%

Dominant channelBlue

Hex per channelR 19 · G 63 · B B3

Keep nerding

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

#1963B3

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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