Colour

#145AB8

#145AB8
Blue
Dark
Nearest: Royal blue

#145AB8 is a blue with RGB values 20, 90, 184 and HSL 214°, 80%, 40%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#145AB8#145AB8

HEX#145AB8

RGBrgb(20, 90, 184)

RGB (0–1)0.0784, 0.3529, 0.7216

RGB percentages7.8%, 35.3%, 72.2%

HSLhsl(214.4, 80.4%, 40%)

HSV / HSBhsv(214.4, 89.1%, 72.2%)

CMYK89.1%, 51.1%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,333,944

CSS custom property--colour: #145AB8;

Brightness & contrast

Relative luminance0.10922WCAG 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 6.59:1

Contrast with white6.59:1WCAG normal text: AA

Contrast with black3.18:1WCAG normal text: Fail

Greyscale equivalent#525252

Inverted#EBA547

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1A64BBno red cones; affects about 1% of men; ΔE 6.8 from the original

Deuteranopia#0056B6no green cones; the most common form, about 1% of men; ΔE 2.3 from the original

Tritanopia#007180no blue cones; rare, and affects men and women equally; ΔE 54.2 from the original

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

Contrast with white, large text6.59:1WCAG large text: AAA

Contrast with black, large text3.18:1WCAG large text: AA

Named colours

Royal blue · ΔE 16.6 Dark slateblue · ΔE 18.8 Slate blue · ΔE 21.1 Dodgerblue · ΔE 22.3 Cornflower blue · ΔE 24.2 Medium purple · ΔE 26.5

Nearest named CSS colourRoyal blue (#4169E1)ΔE 16.62, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B87214

Analogous#14ACB8, #2014B8

Triadic#B8145A, #5AB814

Split complementary#B82014, #ACB814

Tetradic#B814AC, #B87214, #14B820

Tints, shades & saturation

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

Lighter +40%#A3C6F5

Lighter +30%#75AAF0

Lighter +20%#478DEB

Lighter +10%#1971E6

Darker −10%#0F448A

Darker −20%#0A2D5C

Darker −30%#05172E

Darker −40%#000000

More saturated +25%#0057CC

Less saturated −25%#2E5E9F

Channel breakdown

R20

G90

B184

Red20 (7.8%)

Green90 (35.3%)

Blue184 (72.2%)

Hue214.39°

Saturation (HSL)80.39%

Lightness40%

Dominant channelBlue

Hex per channelR 14 · G 5A · B B8

Keep nerding

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

#145AB8

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

Nerdulate something else