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Recognised as Colour

#139EEB

  • #139EEB
  • Blue
  • Dark
  • Nearest: Cornflower blue

#139EEB is a blue with RGB values 19, 158, 235 and HSL 201°, 85%, 50%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#139EEB#139EEB
HEX#139EEB
RGBrgb(19, 158, 235)
RGB (0–1)0.0745, 0.6196, 0.9216
RGB percentages7.5%, 62%, 92.2%
HSLhsl(201.4, 85%, 49.8%)
HSV / HSBhsv(201.4, 91.9%, 92.2%)
CMYK91.9%, 32.8%, 0%, 7.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,285,867
CSS custom property--colour: #139EEB;

Brightness & contrast

Relative luminance0.3059WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.12:1
Contrast with white2.95:1WCAG normal text: Fail
Contrast with black7.12:1WCAG normal text: AAA
Greyscale equivalent#868686
Inverted#EC6114

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#79A0EEno red cones; affects about 1% of men; ΔE 15.3 from the original
Deuteranopia#5C8EEAno green cones; the most common form, about 1% of men; ΔE 17.8 from the original
Tritanopia#00B1BAno blue cones; rare, and affects men and women equally; ΔE 42.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.95:1WCAG large text: Fail
Contrast with black, large text7.12:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 15.6Deep skyblue · ΔE 16.4Steel blue · ΔE 18.6Dodgerblue · ΔE 22.5Light skyblue · ΔE 26.6Sky blue · ΔE 32.8
Nearest named CSS colourCornflower blue (#6495ED)ΔE 15.64, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EB6013
Analogous#13EBCC, #1332EB
Triadic#EB139E, #9EEB13
Split complementary#EB1332, #EBCC13
Tetradic#CC13EB, #EB6013, #32EB13

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFEBFB
Lighter +30%#A0D8F7
Lighter +20%#71C5F3
Lighter +10%#41B2F0
Darker −10%#0F7EBC
Darker −20%#0B5F8D
Darker −30%#083F5D
Darker −40%#041F2E
More saturated +25%#00A3FE
Less saturated −25%#3395CB

Channel breakdown

R19
G158
B235
Red19 (7.5%)
Green158 (62%)
Blue235 (92.2%)
Hue201.39°
Saturation (HSL)85.04%
Lightness49.8%
Dominant channelBlue
Hex per channelR 13 · G 9E · B EB

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Every value on this page was computed from “139eeb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.