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Recognised as Colour

#1172FF

  • #1172FF
  • Blue
  • Dark
  • Nearest: Royal blue

#1172FF is a blue with RGB values 17, 114, 255 and HSL 216°, 100%, 53%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#1172FF#1172FF
HEX#1172FF
RGBrgb(17, 114, 255)
RGB (0–1)0.0667, 0.4471, 1
RGB percentages6.7%, 44.7%, 100%
HSLhsl(215.5, 100%, 53.3%)
HSV / HSBhsv(215.5, 93.3%, 100%)
CMYK93.3%, 55.3%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,143,551
CSS custom property--colour: #1172FF;

Brightness & contrast

Relative luminance0.19374WCAG 2.x, 0 is black and 1 is white
Perceived brightness123 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.87:1
Contrast with white4.31:1WCAG normal text: Fail
Contrast with black4.87:1WCAG normal text: AA
Greyscale equivalent#686868
Inverted#EE8D00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0084FFno red cones; affects about 1% of men; ΔE 14.7 from the original
Deuteranopia#0070FCno green cones; the most common form, about 1% of men; ΔE 1 from the original
Tritanopia#0096ADno blue cones; rare, and affects men and women equally; ΔE 76.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.31:1WCAG large text: AA
Contrast with black, large text4.87:1WCAG large text: AAA

Named colours

Royal blue · ΔE 12.1Medium slateblue · ΔE 17.3Slate blue · ΔE 21.4Dodgerblue · ΔE 23.9Medium purple · ΔE 28.3Cornflower blue · ΔE 34.9
Nearest named CSS colourRoyal blue (#4169E1)ΔE 12.08, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF9E11
Analogous#11E9FF, #2711FF
Triadic#FF1172, #72FF11
Split complementary#FF2711, #E9FF11
Tetradic#FF11E9, #FF9E11, #11FF27

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDEBFF
Lighter +30%#AACDFF
Lighter +20%#77AEFF
Lighter +10%#4490FF
Darker −10%#005ADD
Darker −20%#0045AA
Darker −30%#003077
Darker −40%#001C44
More saturated +25%#1172FF
Less saturated −25%#2F77E1

Channel breakdown

R17
G114
B255
Red17 (6.7%)
Green114 (44.7%)
Blue255 (100%)
Hue215.55°
Saturation (HSL)100%
Lightness53.33%
Dominant channelBlue
Hex per channelR 11 · G 72 · B FF

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Every value on this page was computed from “1172ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.