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Recognised as Colour

#10566C

  • #10566C
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#10566C is a cyan with RGB values 16, 86, 108 and HSL 194°, 74%, 24%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#10566C#10566C
HEX#10566C
RGBrgb(16, 86, 108)
RGB (0–1)0.0627, 0.3373, 0.4235
RGB percentages6.3%, 33.7%, 42.4%
HSLhsl(194.3, 74.2%, 24.3%)
HSV / HSBhsv(194.3, 85.2%, 42.4%)
CMYK85.2%, 20.4%, 0%, 57.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,070,700
CSS custom property--colour: #10566C;

Brightness & contrast

Relative luminance0.07848WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.17:1
Contrast with white8.17:1WCAG normal text: AAA
Contrast with black2.57:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#EFA993

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4A546Dno red cones; affects about 1% of men; ΔE 15.3 from the original
Deuteranopia#3E4B6Cno green cones; the most common form, about 1% of men; ΔE 16.7 from the original
Tritanopia#005D5Dno blue cones; rare, and affects men and women equally; ΔE 16 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.17:1WCAG large text: AAA
Contrast with black, large text2.57:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15Slate grey · ΔE 23.1Teal · ΔE 24.2Steel blue · ΔE 24.7Dim grey · ΔE 24.7Light slate grey · ΔE 25.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.99, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6C2610
Analogous#106C54, #10286C
Triadic#6C1056, #566C10
Split complementary#6C1028, #6C5410
Tetradic#54106C, #6C2610, #286C10

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#60C7E8
Lighter +30%#34B8E1
Lighter +20%#1D9DC5
Lighter +10%#177998
Darker −10%#093340
Darker −20%#030F13
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005E7C
Less saturated −25%#1F4E5D

Channel breakdown

R16
G86
B108
Red16 (6.3%)
Green86 (33.7%)
Blue108 (42.4%)
Hue194.35°
Saturation (HSL)74.19%
Lightness24.31%
Dominant channelBlue
Hex per channelR 10 · G 56 · B 6C

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Every value on this page was computed from “10566c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.