Colour

#143DB7

#143DB7
Blue
Dark
Nearest: Slate blue

#143DB7 is a blue with RGB values 20, 61, 183 and HSL 225°, 80%, 40%. 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

#143DB7#143DB7

HEX#143DB7

RGBrgb(20, 61, 183)

RGB (0–1)0.0784, 0.2392, 0.7176

RGB percentages7.8%, 23.9%, 71.8%

HSLhsl(224.9, 80.3%, 39.8%)

HSV / HSBhsv(224.9, 89.1%, 71.8%)

CMYK89.1%, 66.7%, 0%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,326,519

CSS custom property--colour: #143DB7;

Brightness & contrast

Relative luminance0.06905WCAG 2.x, 0 is black and 1 is white

Perceived brightness78.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.82:1

Contrast with white8.82:1WCAG normal text: AAA

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

Greyscale equivalent#3D3D3D

Inverted#EBC248

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0052BBno red cones; affects about 1% of men; ΔE 15.8 from the original

Deuteranopia#0043B5no green cones; the most common form, about 1% of men; ΔE 6.3 from the original

Tritanopia#005E74no blue cones; rare, and affects men and women equally; ΔE 69.7 from the original

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

Contrast with white, large text8.82:1WCAG large text: AAA

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

Named colours

Slate blue · ΔE 16.9 Royal blue · ΔE 18.5 Medium slateblue · ΔE 21.6 Rebecca purple · ΔE 22 Navy · ΔE 22.7 Dark blue · ΔE 23

Nearest named CSS colourSlate blue (#6A5ACD)ΔE 16.92, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B78E14

Analogous#148EB7, #3D14B7

Triadic#B7143D, #3DB714

Split complementary#B73D14, #8EB714

Tetradic#B7148E, #B78E14, #14B73D

Tints, shades & saturation

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

Lighter +40%#A2B7F5

Lighter +30%#7493F0

Lighter +20%#4670EB

Lighter +10%#194CE5

Darker −10%#0F2E89

Darker −20%#0A1E5B

Darker −30%#050F2D

Darker −40%#000000

More saturated +25%#0033CB

Less saturated −25%#2D4A9E

Channel breakdown

R20

G61

B183

Red20 (7.8%)

Green61 (23.9%)

Blue183 (71.8%)

Hue224.91°

Saturation (HSL)80.3%

Lightness39.8%

Dominant channelBlue

Hex per channelR 14 · G 3D · B B7

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#143DB7

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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