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Recognised as Colour

#143CEF

  • #143CEF
  • Blue
  • Dark
  • Nearest: Medium blue

#143CEF is a blue with RGB values 20, 60, 239 and HSL 229°, 87%, 51%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#143CEF#143CEF
HEX#143CEF
RGBrgb(20, 60, 239)
RGB (0–1)0.0784, 0.2353, 0.9373
RGB percentages7.8%, 23.5%, 93.7%
HSLhsl(229, 87.3%, 50.8%)
HSV / HSBhsv(229, 91.6%, 93.7%)
CMYK91.6%, 74.9%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,326,319
CSS custom property--colour: #143CEF;

Brightness & contrast

Relative luminance0.09612WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.19:1
Contrast with white7.19:1WCAG normal text: AAA
Contrast with black2.92:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#EBC310

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0062F4no red cones; affects about 1% of men; ΔE 26.3 from the original
Deuteranopia#004DECno green cones; the most common form, about 1% of men; ΔE 13.6 from the original
Tritanopia#007293no blue cones; rare, and affects men and women equally; ΔE 96 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.19:1WCAG large text: AAA
Contrast with black, large text2.92:1WCAG large text: Fail

Named colours

Medium blue · ΔE 17Blue violet · ΔE 22.2Dark violet · ΔE 29.4Blue · ΔE 29.8Dark blue · ΔE 31.8Medium slateblue · ΔE 32.8
Nearest named CSS colourMedium blue (#0000CD)ΔE 17.01, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EFC714
Analogous#14AAEF, #5914EF
Triadic#EF143C, #3CEF14
Split complementary#EF5914, #AAEF14
Tetradic#EF14AA, #EFC714, #14EF59

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3DAFC
Lighter +30%#A3B3F9
Lighter +20%#738BF6
Lighter +10%#4464F2
Darker −10%#0D2EC3
Darker −20%#0A2393
Darker −30%#071863
Darker −40%#040C33
More saturated +25%#0432FF
Less saturated −25%#3350D0

Channel breakdown

R20
G60
B239
Red20 (7.8%)
Green60 (23.5%)
Blue239 (93.7%)
Hue229.04°
Saturation (HSL)87.25%
Lightness50.78%
Dominant channelBlue
Hex per channelR 14 · G 3C · B EF

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Every value on this page was computed from “143cef” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.