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Colour

#145AD0

  • #145AD0
  • Blue
  • Dark
  • Nearest: Royal blue

#145AD0 is a blue with RGB values 20, 90, 208 and HSL 218°, 82%, 45%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#145AD0#145AD0
HEX#145AD0
RGBrgb(20, 90, 208)
RGB (0–1)0.0784, 0.3529, 0.8157
RGB percentages7.8%, 35.3%, 81.6%
HSLhsl(217.7, 82.5%, 44.7%)
HSV / HSBhsv(217.7, 90.4%, 81.6%)
CMYK90.4%, 56.7%, 0%, 18.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,333,968
CSS custom property--colour: #145AD0;

Brightness & contrast

Relative luminance0.12015WCAG 2.x, 0 is black and 1 is white
Perceived brightness99 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.17:1
Contrast with white6.17:1WCAG normal text: AA
Contrast with black3.4:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#EBA52F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006AD4no red cones; affects about 1% of men; ΔE 11.7 from the original
Deuteranopia#0059CEno green cones; the most common form, about 1% of men; ΔE 1.1 from the original
Tritanopia#00788Cno blue cones; rare, and affects men and women equally; ΔE 66.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.17:1WCAG large text: AAA
Contrast with black, large text3.4:1WCAG large text: AA

Named colours

Royal blue · ΔE 6.7Slate blue · ΔE 14.2Medium slateblue · ΔE 19.1Dodgerblue · ΔE 24Medium purple · ΔE 24.1Dark slateblue · ΔE 26.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 6.73, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D08A14
Analogous#14B8D0, #2C14D0
Triadic#D0145A, #5AD014
Split complementary#D02C14, #B8D014
Tetradic#D014B8, #D08A14, #14D02C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B8D0F8
Lighter +30%#89B1F4
Lighter +20%#5B92EF
Lighter +10%#2C73EB
Darker −10%#1046A1
Darker −20%#0B3273
Darker −30%#071E44
Darker −40%#020916
More saturated +25%#0055E4
Less saturated −25%#3061B3

Channel breakdown

R20
G90
B208
Red20 (7.8%)
Green90 (35.3%)
Blue208 (81.6%)
Hue217.66°
Saturation (HSL)82.46%
Lightness44.71%
Dominant channelBlue
Hex per channelR 14 · G 5A · B D0

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Every value on this page was computed from “145ad0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.