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Recognised as Colour

#191FB2

  • #191FB2
  • Blue
  • Dark
  • Nearest: Dark blue

#191FB2 is a blue with RGB values 25, 31, 178 and HSL 238°, 75%, 40%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#191FB2#191FB2
HEX#191FB2
RGBrgb(25, 31, 178)
RGB (0–1)0.098, 0.1216, 0.698
RGB percentages9.8%, 12.2%, 69.8%
HSLhsl(237.6, 75.4%, 39.8%)
HSV / HSBhsv(237.6, 86%, 69.8%)
CMYK86%, 82.6%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,646,514
CSS custom property--colour: #191FB2;

Brightness & contrast

Relative luminance0.04401WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.17:1
Contrast with white11.17:1WCAG normal text: AAA
Contrast with black1.88:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#E6E04D

Colour vision & accessibility

Protanopia#0043B6no red cones; affects about 1% of men; ΔE 24.7 from the original
Deuteranopia#0033B0no green cones; the most common form, about 1% of men; ΔE 14.7 from the original
Tritanopia#004F6Ano blue cones; rare, and affects men and women equally; ΔE 81.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.17:1WCAG large text: AAA
Contrast with black, large text1.88:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark blue (#00008B)ΔE 12.3, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#B2AC19
Analogous#196CB2, #5F19B2
Triadic#B2191F, #1FB219
Split complementary#B25F19, #6CB219
Tetradic#B2196C, #B2AC19, #19B25F

Tints, shades & saturation

Lighter +40%#A5A8F2
Lighter +30%#787DEC
Lighter +20%#4B51E6
Lighter +10%#1F27DF
Darker −10%#131785
Darker −20%#0C0F59
Darker −30%#06082C
Darker −40%#000000
More saturated +25%#0008CB
Less saturated −25%#323699

Channel breakdown

R25
G31
B178
Red25 (9.8%)
Green31 (12.2%)
Blue178 (69.8%)
Hue237.65°
Saturation (HSL)75.37%
Lightness39.8%
Dominant channelBlue
Hex per channelR 19 · G 1F · B B2

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Every value on this page was computed from “191fb2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.