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Recognised as Colour

#102F53

  • #102F53
  • Blue
  • Dark
  • Nearest: Dark slate grey

#102F53 is a blue with RGB values 16, 47, 83 and HSL 212°, 68%, 19%. It is a dark colour, so white text on it reaches 13.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#102F53#102F53
HEX#102F53
RGBrgb(16, 47, 83)
RGB (0–1)0.0627, 0.1843, 0.3255
RGB percentages6.3%, 18.4%, 32.5%
HSLhsl(212.2, 67.7%, 19.4%)
HSV / HSBhsv(212.2, 80.7%, 32.5%)
CMYK80.7%, 43.4%, 0%, 67.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,060,691
CSS custom property--colour: #102F53;

Brightness & contrast

Relative luminance0.02768WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.52:1
Contrast with white13.52:1WCAG normal text: AAA
Contrast with black1.55:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#EFD0AC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E3254no red cones; affects about 1% of men; ΔE 2.9 from the original
Deuteranopia#132B52no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#00373Dno blue cones; rare, and affects men and women equally; ΔE 23.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.52:1WCAG large text: AAA
Contrast with black, large text1.55:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 28.8Dark slateblue · ΔE 30.9Black · ΔE 31.8Steel blue · ΔE 34.8Dim grey · ΔE 35.9Slate grey · ΔE 37.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 28.76, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#533410
Analogous#105153, #121053
Triadic#53102F, #2F5310
Split complementary#531210, #515310
Tetradic#531051, #533410, #105312

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5192DE
Lighter +30%#2978D3
Lighter +20%#205FA9
Lighter +10%#18477E
Darker −10%#081728
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#042E5F
Less saturated −25%#1C3047

Channel breakdown

R16
G47
B83
Red16 (6.3%)
Green47 (18.4%)
Blue83 (32.5%)
Hue212.24°
Saturation (HSL)67.68%
Lightness19.41%
Dominant channelBlue
Hex per channelR 10 · G 2F · B 53

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Every value on this page was computed from “102f53” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.