Recognised as Colour

#101B34

#101B34
Blue
Dark
Nearest: Black

#101B34 is a blue with RGB values 16, 27, 52 and HSL 222°, 53%, 13%. It is a dark colour, so white text on it reaches 17.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#101B34#101B34

HEX#101B34

RGBrgb(16, 27, 52)

RGB (0–1)0.0627, 0.1059, 0.2039

RGB percentages6.3%, 10.6%, 20.4%

HSLhsl(221.7, 52.9%, 13.3%)

HSV / HSBhsv(221.7, 69.2%, 20.4%)

CMYK69.2%, 48.1%, 0%, 79.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,055,540

CSS custom property--colour: #101B34;

Brightness & contrast

Relative luminance0.01142WCAG 2.x, 0 is black and 1 is white

Perceived brightness28.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.1:1

Contrast with white17.1:1WCAG normal text: AAA

Contrast with black1.23:1WCAG normal text: Fail

Greyscale equivalent#1A1A1A

Inverted#EFE4CB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#101D35no red cones; affects about 1% of men; ΔE 1.4 from the original

Deuteranopia#0B1A33no green cones; the most common form, about 1% of men; ΔE 1.2 from the original

Tritanopia#002124no blue cones; rare, and affects men and women equally; ΔE 19.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.1:1WCAG large text: AAA

Contrast with black, large text1.23:1WCAG large text: Fail

Named colours

Black · ΔE 21.1 Dark slate grey · ΔE 30.3 Dark slateblue · ΔE 38.3 Dim grey · ΔE 39 Midnight blue · ΔE 42 Slate grey · ΔE 43.9

Nearest named CSS colourBlack (#000000)ΔE 21.14, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#342910

Analogous#102D34, #171034

Triadic#34101B, #1B3410

Split complementary#341710, #2D3410

Tetradic#34102D, #342910, #103417

Tints, shades & saturation

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

Lighter +40%#496FC7

Lighter +30%#3458A9

Lighter +20%#284382

Lighter +10%#1C2F5B

Darker −10%#04070D

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#08183D

Less saturated −25%#181E2C

Channel breakdown

R16

G27

B52

Red16 (6.3%)

Green27 (10.6%)

Blue52 (20.4%)

Hue221.67°

Saturation (HSL)52.94%

Lightness13.33%

Dominant channelBlue

Hex per channelR 10 · G 1B · B 34

Keep nerding

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

#101B34

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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