Recognised as Colour

#102B5B

#102B5B
Blue
Dark
Nearest: Dark slateblue

#102B5B is a blue with RGB values 16, 43, 91 and HSL 218°, 70%, 21%. It is a dark colour, so white text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#102B5B#102B5B

HEX#102B5B

RGBrgb(16, 43, 91)

RGB (0–1)0.0627, 0.1686, 0.3569

RGB percentages6.3%, 16.9%, 35.7%

HSLhsl(218.4, 70.1%, 21%)

HSV / HSBhsv(218.4, 82.4%, 35.7%)

CMYK82.4%, 52.7%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,059,675

CSS custom property--colour: #102B5B;

Brightness & contrast

Relative luminance0.02593WCAG 2.x, 0 is black and 1 is white

Perceived brightness45.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.83:1

Contrast with white13.83:1WCAG normal text: AAA

Contrast with black1.52:1WCAG normal text: Fail

Greyscale equivalent#292929

Inverted#EFD4A4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0F305Dno red cones; affects about 1% of men; ΔE 3.7 from the original

Deuteranopia#00295Ano green cones; the most common form, about 1% of men; ΔE 2 from the original

Tritanopia#00363Eno blue cones; rare, and affects men and women equally; ΔE 31.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.83:1WCAG large text: AAA

Contrast with black, large text1.52:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 23.2 Midnight blue · ΔE 28.7 Steel blue · ΔE 36.7 Dark slate grey · ΔE 37.4 Black · ΔE 37.9 Rebecca purple · ΔE 39.6

Nearest named CSS colourDark slateblue (#483D8B)ΔE 23.23, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5B4010

Analogous#10515B, #1A105B

Triadic#5B102B, #2B5B10

Split complementary#5B1A10, #515B10

Tetradic#5B1051, #5B4010, #105B1A

Tints, shades & saturation

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

Lighter +40%#5688E1

Lighter +30%#2A69DA

Lighter +20%#1F54B2

Lighter +10%#183F86

Darker −10%#081730

Darker −20%#010204

Darker −30%#000000

Darker −40%#000000

More saturated +25%#032768

Less saturated −25%#1D2F4E

Channel breakdown

R16

G43

B91

Red16 (6.3%)

Green43 (16.9%)

Blue91 (35.7%)

Hue218.4°

Saturation (HSL)70.09%

Lightness20.98%

Dominant channelBlue

Hex per channelR 10 · G 2B · B 5B

Keep nerding

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

#102B5B

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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