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Recognised as Colour

#1181EC

  • #1181EC
  • Blue
  • Dark
  • Nearest: Dodgerblue

#1181EC is a blue with RGB values 17, 129, 236 and HSL 209°, 87%, 50%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#1181EC#1181EC
HEX#1181EC
RGBrgb(17, 129, 236)
RGB (0–1)0.0667, 0.5059, 0.9255
RGB percentages6.7%, 50.6%, 92.5%
HSLhsl(209.3, 86.6%, 49.6%)
HSV / HSBhsv(209.3, 92.8%, 92.5%)
CMYK92.8%, 45.3%, 0%, 7.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,147,372
CSS custom property--colour: #1181EC;

Brightness & contrast

Relative luminance0.21876WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.38:1
Contrast with white3.91:1WCAG normal text: Fail
Contrast with black5.38:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#EE7E13

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#458BF0no red cones; affects about 1% of men; ΔE 6.1 from the original
Deuteranopia#0078EAno green cones; the most common form, about 1% of men; ΔE 6.2 from the original
Tritanopia#009BABno blue cones; rare, and affects men and women equally; ΔE 58.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.91:1WCAG large text: AA
Contrast with black, large text5.38:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 5.9Cornflower blue · ΔE 14.9Royal blue · ΔE 16.5Slate blue · ΔE 26.5Medium purple · ΔE 28Medium slateblue · ΔE 30.1
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 5.89, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EC7C11
Analogous#11ECE9, #1114EC
Triadic#EC1181, #81EC11
Split complementary#EC1114, #ECE911
Tetradic#E911EC, #EC7C11, #14EC11

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CEE5FB
Lighter +30%#9ECCF8
Lighter +20%#6EB3F5
Lighter +10%#3F9AF1
Darker −10%#0E67BC
Darker −20%#0A4D8D
Darker −30%#07335D
Darker −40%#03192E
More saturated +25%#0081FD
Less saturated −25%#3180CC

Channel breakdown

R17
G129
B236
Red17 (6.7%)
Green129 (50.6%)
Blue236 (92.5%)
Hue209.32°
Saturation (HSL)86.56%
Lightness49.61%
Dominant channelBlue
Hex per channelR 11 · G 81 · B EC

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Every value on this page was computed from “1181ec” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.