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Recognised as Colour

#104FAF

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

#104FAF is a blue with RGB values 16, 79, 175 and HSL 216°, 83%, 37%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#104FAF#104FAF
HEX#104FAF
RGBrgb(16, 79, 175)
RGB (0–1)0.0627, 0.3098, 0.6863
RGB percentages6.3%, 31%, 68.6%
HSLhsl(216.2, 83.2%, 37.5%)
HSV / HSBhsv(216.2, 90.9%, 68.6%)
CMYK90.9%, 54.9%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,068,975
CSS custom property--colour: #104FAF;

Brightness & contrast

Relative luminance0.08797WCAG 2.x, 0 is black and 1 is white
Perceived brightness85 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.61:1
Contrast with white7.61:1WCAG normal text: AAA
Contrast with black2.76:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#EFB050

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005BB2no red cones; affects about 1% of men; ΔE 9.1 from the original
Deuteranopia#004DADno green cones; the most common form, about 1% of men; ΔE 1 from the original
Tritanopia#006777no blue cones; rare, and affects men and women equally; ΔE 55.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.61:1WCAG large text: AAA
Contrast with black, large text2.76:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16.4Royal blue · ΔE 16.7Slate blue · ΔE 19.3Midnight blue · ΔE 24.2Rebecca purple · ΔE 25.3Dodgerblue · ΔE 26.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF7010
Analogous#109FAF, #2010AF
Triadic#AF104F, #4FAF10
Split complementary#AF2010, #9FAF10
Tetradic#AF109F, #AF7010, #10AF20

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#96BCF5
Lighter +30%#679EF1
Lighter +20%#3880ED
Lighter +10%#1464DE
Darker −10%#0C3A80
Darker −20%#072552
Darker −30%#031023
Darker −40%#000000
More saturated +25%#004CBF
Less saturated −25%#285497

Channel breakdown

R16
G79
B175
Red16 (6.3%)
Green79 (31%)
Blue175 (68.6%)
Hue216.23°
Saturation (HSL)83.25%
Lightness37.45%
Dominant channelBlue
Hex per channelR 10 · G 4F · B AF

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