Colour

#143A4D

#143A4D
Blue
Dark
Nearest: Dark slate grey

#143A4D is a blue with RGB values 20, 58, 77 and HSL 200°, 59%, 19%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#143A4D#143A4D

HEX#143A4D

RGBrgb(20, 58, 77)

RGB (0–1)0.0784, 0.2275, 0.302

RGB percentages7.8%, 22.7%, 30.2%

HSLhsl(200, 58.8%, 19%)

HSV / HSBhsv(200, 74%, 30.2%)

CMYK74%, 24.7%, 0%, 69.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,325,645

CSS custom property--colour: #143A4D;

Brightness & contrast

Relative luminance0.03711WCAG 2.x, 0 is black and 1 is white

Perceived brightness52.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.05:1

Contrast with white12.05:1WCAG normal text: AAA

Contrast with black1.74:1WCAG normal text: Fail

Greyscale equivalent#333333

Inverted#EBC5B2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#31394Eno red cones; affects about 1% of men; ΔE 9.2 from the original

Deuteranopia#29344Dno green cones; the most common form, about 1% of men; ΔE 9.5 from the original

Tritanopia#003F40no blue cones; rare, and affects men and women equally; ΔE 14.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.05:1WCAG large text: AAA

Contrast with black, large text1.74:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.6 Dim grey · ΔE 27.4 Black · ΔE 28.2 Slate grey · ΔE 30.8 Light slate grey · ΔE 33.8 Steel blue · ΔE 34.2

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.56, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4D2714

Analogous#144D44, #141D4D

Triadic#4D143A, #3A4D14

Split complementary#4D141E, #4D4414

Tetradic#43144D, #4D2714, #1E4D14

Tints, shades & saturation

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

Lighter +40%#59ABD4

Lighter +30%#3495C6

Lighter +20%#29779E

Lighter +10%#1F5875

Darker −10%#091C25

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#083E59

Less saturated −25%#203641

Channel breakdown

R20

G58

B77

Red20 (7.8%)

Green58 (22.7%)

Blue77 (30.2%)

Hue200°

Saturation (HSL)58.76%

Lightness19.02%

Dominant channelBlue

Hex per channelR 14 · G 3A · B 4D

Keep nerding

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#143A4D

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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