Colour

#143FB2

#143FB2
Blue
Dark
Nearest: Slate blue

#143FB2 is a blue with RGB values 20, 63, 178 and HSL 224°, 80%, 39%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#143FB2#143FB2

HEX#143FB2

RGBrgb(20, 63, 178)

RGB (0–1)0.0784, 0.2471, 0.698

RGB percentages7.8%, 24.7%, 69.8%

HSLhsl(223.7, 79.8%, 38.8%)

HSV / HSBhsv(223.7, 88.8%, 69.8%)

CMYK88.8%, 64.6%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,327,026

CSS custom property--colour: #143FB2;

Brightness & contrast

Relative luminance0.06918WCAG 2.x, 0 is black and 1 is white

Perceived brightness77.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.81:1

Contrast with white8.81:1WCAG normal text: AAA

Contrast with black2.38:1WCAG normal text: Fail

Greyscale equivalent#3E3E3E

Inverted#EBC04D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0052B6no red cones; affects about 1% of men; ΔE 14.4 from the original

Deuteranopia#0043B0no green cones; the most common form, about 1% of men; ΔE 4.8 from the original

Tritanopia#005E72no blue cones; rare, and affects men and women equally; ΔE 66.6 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text8.81:1WCAG large text: AAA

Contrast with black, large text2.38:1WCAG large text: Fail

Named colours

Slate blue · ΔE 15.9 Royal blue · ΔE 17.1 Rebecca purple · ΔE 20.8 Midnight blue · ΔE 21.7 Medium slateblue · ΔE 22.6 Dark slateblue · ΔE 23.1

Nearest named CSS colourSlate blue (#6A5ACD)ΔE 15.94, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#B28714

Analogous#148EB2, #3814B2

Triadic#B2143F, #3FB214

Split complementary#B23814, #8EB214

Tetradic#B2148E, #B28714, #14B238

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#9EB5F4

Lighter +30%#7093EF

Lighter +20%#4270EA

Lighter +10%#194FE0

Darker −10%#0F2F84

Darker −20%#0A1F56

Darker −30%#050E28

Darker −40%#000000

More saturated +25%#0036C6

Less saturated −25%#2D4A99

Channel breakdown

R20

G63

B178

Red20 (7.8%)

Green63 (24.7%)

Blue178 (69.8%)

Hue223.67°

Saturation (HSL)79.8%

Lightness38.82%

Dominant channelBlue

Hex per channelR 14 · G 3F · B B2

Keep nerding

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#143FB2

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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