Colour

#101F33

#101F33
Blue
Dark
Nearest: Black

#101F33 is a blue with RGB values 16, 31, 51 and HSL 214°, 52%, 13%. It is a dark colour, so white text on it reaches 16.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#101F33#101F33

HEX#101F33

RGBrgb(16, 31, 51)

RGB (0–1)0.0627, 0.1216, 0.2

RGB percentages6.3%, 12.2%, 20%

HSLhsl(214.3, 52.2%, 13.1%)

HSV / HSBhsv(214.3, 68.6%, 20%)

CMYK68.6%, 39.2%, 0%, 80%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,056,563

CSS custom property--colour: #101F33;

Brightness & contrast

Relative luminance0.01329WCAG 2.x, 0 is black and 1 is white

Perceived brightness30.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.59:1

Contrast with white16.59:1WCAG normal text: AAA

Contrast with black1.27:1WCAG normal text: Fail

Greyscale equivalent#1D1D1D

Inverted#EFE0CC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#172034no red cones; affects about 1% of men; ΔE 2 from the original

Deuteranopia#121D33no green cones; the most common form, about 1% of men; ΔE 2.3 from the original

Tritanopia#002426no blue cones; rare, and affects men and women equally; ΔE 16.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.59:1WCAG large text: AAA

Contrast with black, large text1.27:1WCAG large text: Fail

Named colours

Black · ΔE 19 Dark slate grey · ΔE 26.2 Dim grey · ΔE 36.3 Dark slateblue · ΔE 41.5 Slate grey · ΔE 41.7 Steel blue · ΔE 44.7

Nearest named CSS colourBlack (#000000)ΔE 19.01, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#332410

Analogous#103033, #131033

Triadic#33101F, #1F3310

Split complementary#331310, #303310

Tetradic#331030, #332410, #103313

Tints, shades & saturation

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

Lighter +40%#497FC6

Lighter +30%#3566A7

Lighter +20%#284E81

Lighter +10%#1C375A

Darker −10%#04070C

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#081E3B

Less saturated −25%#18202B

Channel breakdown

R16

G31

B51

Red16 (6.3%)

Green31 (12.2%)

Blue51 (20%)

Hue214.29°

Saturation (HSL)52.24%

Lightness13.14%

Dominant channelBlue

Hex per channelR 10 · G 1F · B 33

Keep nerding

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

#101F33

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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