Colour

#102D47

#102D47
Blue
Dark
Nearest: Dark slate grey

#102D47 is a blue with RGB values 16, 45, 71 and HSL 208°, 63%, 17%. It is a dark colour, so white text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#102D47#102D47

HEX#102D47

RGBrgb(16, 45, 71)

RGB (0–1)0.0627, 0.1765, 0.2784

RGB percentages6.3%, 17.6%, 27.8%

HSLhsl(208.4, 63.2%, 17.1%)

HSV / HSBhsv(208.4, 77.5%, 27.8%)

CMYK77.5%, 36.6%, 0%, 72.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,060,167

CSS custom property--colour: #102D47;

Brightness & contrast

Relative luminance0.02442WCAG 2.x, 0 is black and 1 is white

Perceived brightness42.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.11:1

Contrast with white14.11:1WCAG normal text: AAA

Contrast with black1.49:1WCAG normal text: Fail

Greyscale equivalent#292929

Inverted#EFD2B8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#212E48no red cones; affects about 1% of men; ΔE 4.3 from the original

Deuteranopia#1A2946no green cones; the most common form, about 1% of men; ΔE 4.8 from the original

Tritanopia#003336no blue cones; rare, and affects men and women equally; ΔE 18.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.11:1WCAG large text: AAA

Contrast with black, large text1.49:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 23.5 Black · ΔE 26.2 Dim grey · ΔE 33 Slate grey · ΔE 36.3 Steel blue · ΔE 37.3 Dark slateblue · ΔE 37.5

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 23.5, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#472A10

Analogous#104746, #101147

Triadic#47102D, #2D4710

Split complementary#471012, #474610

Tetradic#461047, #472A10, #114710

Tints, shades & saturation

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

Lighter +40%#4C95D7

Lighter +30%#2C7CC4

Lighter +20%#23629A

Lighter +10%#194771

Darker −10%#07131D

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#052E52

Less saturated −25%#1B2C3C

Channel breakdown

R16

G45

B71

Red16 (6.3%)

Green45 (17.6%)

Blue71 (27.8%)

Hue208.36°

Saturation (HSL)63.22%

Lightness17.06%

Dominant channelBlue

Hex per channelR 10 · G 2D · B 47

Keep nerding

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

#102D47

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