Colour

#102B3B

#102B3B
Blue
Dark
Nearest: Dark slate grey

#102B3B is a blue with RGB values 16, 43, 59 and HSL 202°, 57%, 15%. It is a dark colour, so white text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#102B3B#102B3B

HEX#102B3B

RGBrgb(16, 43, 59)

RGB (0–1)0.0627, 0.1686, 0.2314

RGB percentages6.3%, 16.9%, 23.1%

HSLhsl(202.3, 57.3%, 14.7%)

HSV / HSBhsv(202.3, 72.9%, 23.1%)

CMYK72.9%, 27.1%, 0%, 76.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,059,643

CSS custom property--colour: #102B3B;

Brightness & contrast

Relative luminance0.02154WCAG 2.x, 0 is black and 1 is white

Perceived brightness39.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.68:1

Contrast with white14.68:1WCAG normal text: AAA

Contrast with black1.43:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#EFD4C4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#242B3Cno red cones; affects about 1% of men; ΔE 6.5 from the original

Deuteranopia#1E263Bno green cones; the most common form, about 1% of men; ΔE 7.6 from the original

Tritanopia#002F30no blue cones; rare, and affects men and women equally; ΔE 13.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.68:1WCAG large text: AAA

Contrast with black, large text1.43:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 19.3 Black · ΔE 21.4 Dim grey · ΔE 31.4 Slate grey · ΔE 36.7 Light slate grey · ΔE 39.8 Gray · ΔE 39.8

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.29, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3B2010

Analogous#103B35, #10163B

Triadic#3B102B, #2B3B10

Split complementary#3B1016, #3B3510

Tetradic#35103B, #3B2010, #163B10

Tints, shades & saturation

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

Lighter +40%#499CCE

Lighter +30%#3183B3

Lighter +20%#26658B

Lighter +10%#1B4863

Darker −10%#050E13

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#072D44

Less saturated −25%#192932

Channel breakdown

R16

G43

B59

Red16 (6.3%)

Green43 (16.9%)

Blue59 (23.1%)

Hue202.33°

Saturation (HSL)57.33%

Lightness14.71%

Dominant channelBlue

Hex per channelR 10 · G 2B · B 3B

Keep nerding

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

#102B3B

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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