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Colour

#1100CC

  • #1100CC
  • Blue
  • Dark
  • Nearest: Medium blue

#1100CC is a blue with RGB values 17, 0, 204 and HSL 245°, 100%, 40%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1100CC#1100CC
HEX#1100CC
HEX (short)#10C
RGBrgb(17, 0, 204)
RGB (0–1)0.0667, 0, 0.8
RGB percentages6.7%, 0%, 80%
HSLhsl(245, 100%, 40%)
HSV / HSBhsv(245, 100%, 80%)
CMYK91.7%, 100%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,114,316
CSS custom property--colour: #1100CC;

Brightness & contrast

Relative luminance0.04479WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.08:1
Contrast with white11.08:1WCAG normal text: AAA
Contrast with black1.9:1WCAG normal text: Fail
Greyscale equivalent#121212
Inverted#EEFF33

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0046D1no red cones; affects about 1% of men; ΔE 34.2 from the original
Deuteranopia#0031C9no green cones; the most common form, about 1% of men; ΔE 22.2 from the original
Tritanopia#005477no blue cones; rare, and affects men and women equally; ΔE 99.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.08:1WCAG large text: AAA
Contrast with black, large text1.9:1WCAG large text: Fail

Named colours

Medium blue · ΔE 1Blue · ΔE 22.3Blue violet · ΔE 23.4Dark violet · ΔE 26.5Dark blue · ΔE 29.4Navy · ΔE 34.6
Nearest named CSS colourMedium blue (#0000CD)ΔE 0.99, indistinguishable to the eye
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BBCC00
Analogous#0055CC, #7700CC
Triadic#CC1100, #00CC11
Split complementary#CC7700, #55CC00
Tetradic#CC0055, #BBCC00, #00CC77

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A299FF
Lighter +30%#7366FF
Lighter +20%#4433FF
Lighter +10%#1500FF
Darker −10%#0D0099
Darker −20%#080066
Darker −30%#040033
Darker −40%#000000
More saturated +25%#1100CC
Less saturated −25%#2619B3

Channel breakdown

R17
G0
B204
Red17 (6.7%)
Green0 (0%)
Blue204 (80%)
Hue245°
Saturation (HSL)100%
Lightness40%
Dominant channelBlue
Hex per channelR 11 · G 00 · B CC

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Every value on this page was computed from “1100cc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.