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Recognised as Colour

#104C84

  • #104C84
  • Blue
  • Dark
  • Nearest: Steel blue

#104C84 is a blue with RGB values 16, 76, 132 and HSL 209°, 78%, 29%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#104C84#104C84
HEX#104C84
RGBrgb(16, 76, 132)
RGB (0–1)0.0627, 0.298, 0.5176
RGB percentages6.3%, 29.8%, 51.8%
HSLhsl(209, 78.4%, 29%)
HSV / HSBhsv(209, 87.9%, 51.8%)
CMYK87.9%, 42.4%, 0%, 48.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,068,164
CSS custom property--colour: #104C84;

Brightness & contrast

Relative luminance0.06945WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.79:1
Contrast with white8.79:1WCAG normal text: AAA
Contrast with black2.39:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#EFB37B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#305086no red cones; affects about 1% of men; ΔE 4.6 from the original
Deuteranopia#1C4683no green cones; the most common form, about 1% of men; ΔE 5.5 from the original
Tritanopia#005961no blue cones; rare, and affects men and women equally; ΔE 34.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.79:1WCAG large text: AAA
Contrast with black, large text2.39:1WCAG large text: Fail

Named colours

Steel blue · ΔE 22.6Dark slateblue · ΔE 23.1Cornflower blue · ΔE 33.3Slate grey · ΔE 34Midnight blue · ΔE 34.7Light slate grey · ΔE 35.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 22.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#844810
Analogous#108482, #101284
Triadic#84104C, #4C8410
Split complementary#841012, #848210
Tetradic#821084, #844810, #128410

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#72B2EE
Lighter +30%#4599E8
Lighter +20%#1B80DF
Lighter +10%#1666B1
Darker −10%#0A3257
Darker −20%#051829
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004D94
Less saturated −25%#234B72

Channel breakdown

R16
G76
B132
Red16 (6.3%)
Green76 (29.8%)
Blue132 (51.8%)
Hue208.97°
Saturation (HSL)78.38%
Lightness29.02%
Dominant channelBlue
Hex per channelR 10 · G 4C · B 84

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Every value on this page was computed from “104c84” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.