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Recognised as Colour

#188AE3

  • #188AE3
  • Blue
  • Dark
  • Nearest: Cornflower blue

#188AE3 is a blue with RGB values 24, 138, 227 and HSL 206°, 81%, 49%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#188AE3#188AE3
HEX#188AE3
RGBrgb(24, 138, 227)
RGB (0–1)0.0941, 0.5412, 0.8902
RGB percentages9.4%, 54.1%, 89%
HSLhsl(206.3, 80.9%, 49.2%)
HSV / HSBhsv(206.3, 89.4%, 89%)
CMYK89.4%, 39.2%, 0%, 11%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,608,419
CSS custom property--colour: #188AE3;

Brightness & contrast

Relative luminance0.23917WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.78:1
Contrast with white3.63:1WCAG normal text: Fail
Contrast with black5.78:1WCAG normal text: AA
Greyscale equivalent#787878
Inverted#E7751C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5E90E7no red cones; affects about 1% of men; ΔE 8.7 from the original
Deuteranopia#3D7EE1no green cones; the most common form, about 1% of men; ΔE 10.7 from the original
Tritanopia#00A0ABno blue cones; rare, and affects men and women equally; ΔE 50.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.63:1WCAG large text: AA
Contrast with black, large text5.78:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 9.8Dodgerblue · ΔE 12.9Steel blue · ΔE 22.5Royal blue · ΔE 27.7Deep skyblue · ΔE 28.3Medium purple · ΔE 34.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 9.76, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E37118
Analogous#18E3D7, #1824E3
Triadic#E3188A, #8AE318
Split complementary#E31824, #E3D718
Tetradic#D718E3, #E37118, #24E318

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CDE6FA
Lighter +30%#9FCFF5
Lighter +20%#71B8F0
Lighter +10%#43A1EB
Darker −10%#136EB5
Darker −20%#0E5287
Darker −30%#093659
Darker −40%#041A2B
More saturated +25%#008DFB
Less saturated −25%#3786C4

Channel breakdown

R24
G138
B227
Red24 (9.4%)
Green138 (54.1%)
Blue227 (89%)
Hue206.31°
Saturation (HSL)80.88%
Lightness49.22%
Dominant channelBlue
Hex per channelR 18 · G 8A · B E3

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Every value on this page was computed from “188ae3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.