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Recognised as Colour

#13658A

  • #13658A
  • Cyan
  • Dark
  • Nearest: Steel blue

#13658A is a cyan with RGB values 19, 101, 138 and HSL 199°, 76%, 31%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#13658A#13658A
HEX#13658A
RGBrgb(19, 101, 138)
RGB (0–1)0.0745, 0.3961, 0.5412
RGB percentages7.5%, 39.6%, 54.1%
HSLhsl(198.7, 75.8%, 30.8%)
HSV / HSBhsv(198.7, 86.2%, 54.1%)
CMYK86.2%, 26.8%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,271,178
CSS custom property--colour: #13658A;

Brightness & contrast

Relative luminance0.11281WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.45:1
Contrast with white6.45:1WCAG normal text: AA
Contrast with black3.26:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#EC9A75

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#53648Cno red cones; affects about 1% of men; ΔE 14.4 from the original
Deuteranopia#435A89no green cones; the most common form, about 1% of men; ΔE 15 from the original
Tritanopia#006F72no blue cones; rare, and affects men and women equally; ΔE 23.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.45:1WCAG large text: AAA
Contrast with black, large text3.26:1WCAG large text: AA

Named colours

Steel blue · ΔE 14.5Slate grey · ΔE 22.1Light slate grey · ΔE 23.6Dark slate grey · ΔE 25Teal · ΔE 28Dim grey · ΔE 28.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 14.51, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A3813
Analogous#138A74, #13298A
Triadic#8A1365, #658A13
Split complementary#8A132A, #8A7313
Tetradic#73138A, #8A3813, #298A13

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7CCAED
Lighter +30%#4FB8E7
Lighter +20%#22A5E1
Lighter +10%#1986B7
Darker −10%#0D445D
Darker −20%#072330
Darker −30%#000304
Darker −40%#000000
More saturated +25%#006C9D
Less saturated −25%#275E76

Channel breakdown

R19
G101
B138
Red19 (7.5%)
Green101 (39.6%)
Blue138 (54.1%)
Hue198.66°
Saturation (HSL)75.8%
Lightness30.78%
Dominant channelBlue
Hex per channelR 13 · G 65 · B 8A

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Every value on this page was computed from “13658a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.