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Colour

#1180FF

  • #1180FF
  • Blue
  • Dark
  • Nearest: Royal blue

#1180FF is a blue with RGB values 17, 128, 255 and HSL 212°, 100%, 53%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#1180FF#1180FF
HEX#1180FF
RGBrgb(17, 128, 255)
RGB (0–1)0.0667, 0.502, 1
RGB percentages6.7%, 50.2%, 100%
HSLhsl(212, 100%, 53.3%)
HSV / HSBhsv(212, 93.3%, 100%)
CMYK93.3%, 49.8%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,147,135
CSS custom property--colour: #1180FF;

Brightness & contrast

Relative luminance0.22778WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.56:1
Contrast with white3.78:1WCAG normal text: Fail
Contrast with black5.56:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#EE7F00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A8EFFno red cones; affects about 1% of men; ΔE 10.8 from the original
Deuteranopia#007AFDno green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#009FB3no blue cones; rare, and affects men and women equally; ΔE 68.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.78:1WCAG large text: AA
Contrast with black, large text5.56:1WCAG large text: AAA

Named colours

Royal blue · ΔE 11.3Dodgerblue · ΔE 12.6Medium slateblue · ΔE 22.7Slate blue · ΔE 23.3Cornflower blue · ΔE 24.6Medium purple · ΔE 27.1
Nearest named CSS colourRoyal blue (#4169E1)ΔE 11.34, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF9011
Analogous#11F7FF, #1911FF
Triadic#FF1180, #80FF11
Split complementary#FF1911, #F7FF11
Tetradic#FF11F7, #FF9011, #11FF19

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDEDFF
Lighter +30%#AAD2FF
Lighter +20%#77B6FF
Lighter +10%#449BFF
Darker −10%#0067DD
Darker −20%#004FAA
Darker −30%#003777
Darker −40%#002044
More saturated +25%#1180FF
Less saturated −25%#2F82E1

Channel breakdown

R17
G128
B255
Red17 (6.7%)
Green128 (50.2%)
Blue255 (100%)
Hue212.02°
Saturation (HSL)100%
Lightness53.33%
Dominant channelBlue
Hex per channelR 11 · G 80 · B FF

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Every value on this page was computed from “1180ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.