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Recognised as Colour

#105E8F

  • #105E8F
  • Blue
  • Dark
  • Nearest: Steel blue

#105E8F is a blue with RGB values 16, 94, 143 and HSL 203°, 80%, 31%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#105E8F#105E8F
HEX#105E8F
RGBrgb(16, 94, 143)
RGB (0–1)0.0627, 0.3686, 0.5608
RGB percentages6.3%, 36.9%, 56.1%
HSLhsl(203.1, 79.9%, 31.2%)
HSV / HSBhsv(203.1, 88.8%, 56.1%)
CMYK88.8%, 34.3%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,072,783
CSS custom property--colour: #105E8F;

Brightness & contrast

Relative luminance0.10099WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.95:1
Contrast with white6.95:1WCAG normal text: AA
Contrast with black3.02:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#EFA170

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#476091no red cones; affects about 1% of men; ΔE 9.7 from the original
Deuteranopia#35558Eno green cones; the most common form, about 1% of men; ΔE 10.9 from the original
Tritanopia#006A70no blue cones; rare, and affects men and women equally; ΔE 29.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.95:1WCAG large text: AAA
Contrast with black, large text3.02:1WCAG large text: AA

Named colours

Steel blue · ΔE 14.5Slate grey · ΔE 27.1Light slate grey · ΔE 28.5Dark slate grey · ΔE 31.3Cornflower blue · ΔE 31.5Dark slateblue · ΔE 31.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 14.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8F4110
Analogous#108F80, #101F8F
Triadic#8F105E, #5E8F10
Split complementary#8F101F, #8F8110
Tetradic#80108F, #8F4110, #1E8F10

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7BC3F0
Lighter +30%#4DAEEB
Lighter +20%#1F99E6
Lighter +10%#157CBD
Darker −10%#0B4061
Darker −20%#062233
Darker −30%#010405
Darker −40%#000000
More saturated +25%#00629F
Less saturated −25%#24597B

Channel breakdown

R16
G94
B143
Red16 (6.3%)
Green94 (36.9%)
Blue143 (56.1%)
Hue203.15°
Saturation (HSL)79.87%
Lightness31.18%
Dominant channelBlue
Hex per channelR 10 · G 5E · B 8F

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Every value on this page was computed from “105e8f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.