Colour

#101D28

#101D28
Blue
Dark
Nearest: Black

#101D28 is a blue with RGB values 16, 29, 40 and HSL 208°, 43%, 11%. 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

#101D28#101D28

HEX#101D28

RGBrgb(16, 29, 40)

RGB (0–1)0.0627, 0.1137, 0.1569

RGB percentages6.3%, 11.4%, 15.7%

HSLhsl(207.5, 42.9%, 11%)

HSV / HSBhsv(207.5, 60%, 15.7%)

CMYK60%, 27.5%, 0%, 84.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,056,040

CSS custom property--colour: #101D28;

Brightness & contrast

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

Perceived brightness27.4 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#1B1B1B

Inverted#EFE2D7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#181D29no red cones; affects about 1% of men; ΔE 3.3 from the original

Deuteranopia#151B28no green cones; the most common form, about 1% of men; ΔE 3.3 from the original

Tritanopia#062021no blue cones; rare, and affects men and women equally; ΔE 9.5 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 13.8 Dark slate grey · ΔE 24 Dim grey · ΔE 35.5 Slate grey · ΔE 42.7 Gray · ΔE 44.5 Light slate grey · ΔE 45.8

Nearest named CSS colourBlack (#000000)ΔE 13.8, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#281B10

Analogous#102827, #101128

Triadic#28101D, #1D2810

Split complementary#281011, #282710

Tetradic#271028, #281B10, #112810

Tints, shades & saturation

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

Lighter +40%#4C86B8

Lighter +30%#3C6C95

Lighter +20%#2D5271

Lighter +10%#1F374C

Darker −10%#010304

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#091E2F

Less saturated −25%#171C21

Channel breakdown

R16

G29

B40

Red16 (6.3%)

Green29 (11.4%)

Blue40 (15.7%)

Hue207.5°

Saturation (HSL)42.86%

Lightness10.98%

Dominant channelBlue

Hex per channelR 10 · G 1D · B 28

Keep nerding

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

#101D28

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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