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Recognised as Colour

#1963BC

  • #1963BC
  • Blue
  • Dark
  • Nearest: Royal blue

#1963BC is a blue with RGB values 25, 99, 188 and HSL 213°, 77%, 42%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#1963BC#1963BC
HEX#1963BC
RGBrgb(25, 99, 188)
RGB (0–1)0.098, 0.3882, 0.7373
RGB percentages9.8%, 38.8%, 73.7%
HSLhsl(212.8, 76.5%, 41.8%)
HSV / HSBhsv(212.8, 86.7%, 73.7%)
CMYK86.7%, 47.3%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,663,932
CSS custom property--colour: #1963BC;

Brightness & contrast

Relative luminance0.12761WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.91:1
Contrast with white5.91:1WCAG normal text: AA
Contrast with black3.55:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#E69C43

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#306CBFno red cones; affects about 1% of men; ΔE 5.5 from the original
Deuteranopia#005DBAno green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#007986no blue cones; rare, and affects men and women equally; ΔE 51.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.91:1WCAG large text: AAA
Contrast with black, large text3.55:1WCAG large text: AA

Named colours

Royal blue · ΔE 19.7Cornflower blue · ΔE 20Dodgerblue · ΔE 20.1Dark slateblue · ΔE 21.2Slate blue · ΔE 24.8Medium purple · ΔE 28
Nearest named CSS colourRoyal blue (#4169E1)ΔE 19.69, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BC7219
Analogous#19B4BC, #2119BC
Triadic#BC1963, #63BC19
Split complementary#BC2119, #B4BC19
Tetradic#BC19B4, #BC7219, #19BC21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADCDF4
Lighter +30%#80B2EE
Lighter +20%#5397E8
Lighter +10%#267BE2
Darker −10%#134B8F
Darker −20%#0D3462
Darker −30%#071C35
Darker −40%#010408
More saturated +25%#0061D5
Less saturated −25%#3465A1

Channel breakdown

R25
G99
B188
Red25 (9.8%)
Green99 (38.8%)
Blue188 (73.7%)
Hue212.76°
Saturation (HSL)76.53%
Lightness41.76%
Dominant channelBlue
Hex per channelR 19 · G 63 · B BC

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Every value on this page was computed from “1963bc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.