Colour

#1963AD

#1963AD
Blue
Dark
Nearest: Steel blue

#1963AD is a blue with RGB values 25, 99, 173 and HSL 210°, 75%, 39%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1963AD#1963AD

HEX#1963AD

RGBrgb(25, 99, 173)

RGB (0–1)0.098, 0.3882, 0.6784

RGB percentages9.8%, 38.8%, 67.8%

HSLhsl(210, 74.7%, 38.8%)

HSV / HSBhsv(210, 85.5%, 67.8%)

CMYK85.5%, 42.8%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,663,917

CSS custom property--colour: #1963AD;

Brightness & contrast

Relative luminance0.12147WCAG 2.x, 0 is black and 1 is white

Perceived brightness96.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.12:1

Contrast with white6.12:1WCAG normal text: AA

Contrast with black3.43:1WCAG normal text: Fail

Greyscale equivalent#595959

Inverted#E69C52

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3D69B0no red cones; affects about 1% of men; ΔE 5 from the original

Deuteranopia#225CACno green cones; the most common form, about 1% of men; ΔE 5.9 from the original

Tritanopia#00757Fno blue cones; rare, and affects men and women equally; ΔE 43.9 from the original

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

Contrast with white, large text6.12:1WCAG large text: AAA

Contrast with black, large text3.43:1WCAG large text: AA

Named colours

Steel blue · ΔE 20.1 Cornflower blue · ΔE 21.1 Dark slateblue · ΔE 23 Dodgerblue · ΔE 25.5 Royal blue · ΔE 28.9 Slate blue · ΔE 32.6

Nearest named CSS colourSteel blue (#4682B4)ΔE 20.09, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AD6319

Analogous#19ADAD, #1919AD

Triadic#AD1963, #63AD19

Split complementary#AD1919, #ADAD19

Tetradic#AD19AD, #AD6319, #19AD19

Tints, shades & saturation

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

Lighter +40%#A1C9F1

Lighter +30%#74B0EB

Lighter +20%#4896E4

Lighter +10%#1F7DDA

Darker −10%#134A80

Darker −20%#0C3054

Darker −30%#061727

Darker −40%#000000

More saturated +25%#0063C6

Less saturated −25%#326394

Channel breakdown

R25

G99

B173

Red25 (9.8%)

Green99 (38.8%)

Blue173 (67.8%)

Hue210°

Saturation (HSL)74.75%

Lightness38.82%

Dominant channelBlue

Hex per channelR 19 · G 63 · B AD

Keep nerding

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

#1963AD

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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