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Recognised as Colour

#104D97

  • #104D97
  • Blue
  • Dark
  • Nearest: Dark slateblue

#104D97 is a blue with RGB values 16, 77, 151 and HSL 213°, 81%, 33%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#104D97#104D97
HEX#104D97
RGBrgb(16, 77, 151)
RGB (0–1)0.0627, 0.302, 0.5922
RGB percentages6.3%, 30.2%, 59.2%
HSLhsl(212.9, 80.8%, 32.7%)
HSV / HSBhsv(212.9, 89.4%, 59.2%)
CMYK89.4%, 49%, 0%, 40.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,068,439
CSS custom property--colour: #104D97;

Brightness & contrast

Relative luminance0.07652WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.3:1
Contrast with white8.3:1WCAG normal text: AAA
Contrast with black2.53:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#EFB268

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#21549Ano red cones; affects about 1% of men; ΔE 4.2 from the original
Deuteranopia#004996no green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#005F6Ano blue cones; rare, and affects men and women equally; ΔE 44.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.3:1WCAG large text: AAA
Contrast with black, large text2.53:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 15.8Midnight blue · ΔE 27.4Steel blue · ΔE 27.8Royal blue · ΔE 28.9Cornflower blue · ΔE 29Slate blue · ΔE 30.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.75, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#975A10
Analogous#109097, #171097
Triadic#97104D, #4D9710
Split complementary#971710, #909710
Tetradic#971090, #975A10, #109717

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#81B4F2
Lighter +30%#5399ED
Lighter +20%#257DE8
Lighter +10%#1565C5
Darker −10%#0B3569
Darker −20%#061E3B
Darker −30%#01060D
Darker −40%#000000
More saturated +25%#004BA7
Less saturated −25%#254F82

Channel breakdown

R16
G77
B151
Red16 (6.3%)
Green77 (30.2%)
Blue151 (59.2%)
Hue212.89°
Saturation (HSL)80.84%
Lightness32.75%
Dominant channelBlue
Hex per channelR 10 · G 4D · B 97

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Every value on this page was computed from “104d97” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.