Colour

#013163

#013163
Blue
Dark
Nearest: Dark slateblue

#013163 is a blue with RGB values 1, 49, 99 and HSL 211°, 98%, 20%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#013163#013163

HEX#013163

RGBrgb(1, 49, 99)

RGB (0–1)0.0039, 0.1922, 0.3882

RGB percentages0.4%, 19.2%, 38.8%

HSLhsl(210.6, 98%, 19.6%)

HSV / HSBhsv(210.6, 99%, 38.8%)

CMYK99%, 50.5%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer78,179

CSS custom property--colour: #013163;

Brightness & contrast

Relative luminance0.03104WCAG 2.x, 0 is black and 1 is white

Perceived brightness50.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.96:1

Contrast with white12.96:1WCAG normal text: AAA

Contrast with black1.62:1WCAG normal text: Fail

Greyscale equivalent#2A2A2A

Inverted#FECE9C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#143665no red cones; affects about 1% of men; ΔE 3.4 from the original

Deuteranopia#002D62no green cones; the most common form, about 1% of men; ΔE 3.2 from the original

Tritanopia#003D45no blue cones; rare, and affects men and women equally; ΔE 31.9 from the original

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

Contrast with white, large text12.96:1WCAG large text: AAA

Contrast with black, large text1.62:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 23.3 Midnight blue · ΔE 29.8 Steel blue · ΔE 33.9 Dark slate grey · ΔE 36.9 Black · ΔE 40 Rebecca purple · ΔE 40.3

Nearest named CSS colourDark slateblue (#483D8B)ΔE 23.28, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#633301

Analogous#016263, #020163

Triadic#630131, #316301

Split complementary#630201, #626301

Tetradic#630162, #633301, #016302

Tints, shades & saturation

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

Lighter +40%#3396FD

Lighter +30%#037CFA

Lighter +20%#0263C8

Lighter +10%#024A95

Darker −10%#001831

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#003164

Less saturated −25%#0D3157

Channel breakdown

G49

B99

Red1 (0.4%)

Green49 (19.2%)

Blue99 (38.8%)

Hue210.61°

Saturation (HSL)98%

Lightness19.61%

Dominant channelBlue

Hex per channelR 01 · G 31 · B 63

Keep nerding

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#013163

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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