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Recognised as Colour

#1963B9

  • #1963B9
  • Blue
  • Dark
  • Nearest: Cornflower blue

#1963B9 is a blue with RGB values 25, 99, 185 and HSL 212°, 76%, 41%. 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

#1963B9#1963B9
HEX#1963B9
RGBrgb(25, 99, 185)
RGB (0–1)0.098, 0.3882, 0.7255
RGB percentages9.8%, 38.8%, 72.5%
HSLhsl(212.3, 76.2%, 41.2%)
HSV / HSBhsv(212.3, 86.5%, 72.5%)
CMYK86.5%, 46.5%, 0%, 27.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,663,929
CSS custom property--colour: #1963B9;

Brightness & contrast

Relative luminance0.12633WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.95:1
Contrast with white5.95:1WCAG normal text: AA
Contrast with black3.53:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#E69C46

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#336BBCno red cones; affects about 1% of men; ΔE 4.9 from the original
Deuteranopia#015DB7no green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#007885no blue cones; rare, and affects men and women equally; ΔE 49.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.95:1WCAG large text: AAA
Contrast with black, large text3.53:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 19.9Dodgerblue · ΔE 20.9Dark slateblue · ΔE 21.2Royal blue · ΔE 21.5Slate blue · ΔE 26.3Steel blue · ΔE 26.4
Nearest named CSS colourCornflower blue (#6495ED)ΔE 19.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B96F19
Analogous#19B3B9, #1F19B9
Triadic#B91963, #63B919
Split complementary#B91F19, #B3B919
Tetradic#B919B3, #B96F19, #19B91F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AACCF4
Lighter +30%#7DB1EE
Lighter +20%#5196E7
Lighter +10%#247BE1
Darker −10%#134B8C
Darker −20%#0D335F
Darker −30%#071B32
Darker −40%#010305
More saturated +25%#0061D2
Less saturated −25%#33659F

Channel breakdown

R25
G99
B185
Red25 (9.8%)
Green99 (38.8%)
Blue185 (72.5%)
Hue212.25°
Saturation (HSL)76.19%
Lightness41.18%
Dominant channelBlue
Hex per channelR 19 · G 63 · B B9

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Every value on this page was computed from “1963b9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.