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Recognised as Colour

#13568B

  • #13568B
  • Blue
  • Dark
  • Nearest: Steel blue

#13568B is a blue with RGB values 19, 86, 139 and HSL 207°, 76%, 31%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#13568B#13568B
HEX#13568B
RGBrgb(19, 86, 139)
RGB (0–1)0.0745, 0.3373, 0.5451
RGB percentages7.5%, 33.7%, 54.5%
HSLhsl(206.5, 75.9%, 31%)
HSV / HSBhsv(206.5, 86.3%, 54.5%)
CMYK86.3%, 38.1%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,267,339
CSS custom property--colour: #13568B;

Brightness & contrast

Relative luminance0.08658WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.69:1
Contrast with white7.69:1WCAG normal text: AAA
Contrast with black2.73:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#ECA974

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D598Dno red cones; affects about 1% of men; ΔE 6.9 from the original
Deuteranopia#2A4E8Ano green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#00636Ano blue cones; rare, and affects men and women equally; ΔE 32.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.69:1WCAG large text: AAA
Contrast with black, large text2.73:1WCAG large text: Fail

Named colours

Steel blue · ΔE 17.9Dark slateblue · ΔE 27.1Slate grey · ΔE 30.2Cornflower blue · ΔE 31.5Light slate grey · ΔE 31.7Dark slate grey · ΔE 33.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 17.91, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B4813
Analogous#138B84, #131A8B
Triadic#8B1356, #568B13
Split complementary#8B131A, #8B8413
Tetradic#84138B, #8B4813, #1A8B13

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7DBCED
Lighter +30%#50A4E7
Lighter +20%#238DE1
Lighter +10%#1972B8
Darker −10%#0D3A5E
Darker −20%#071E31
Darker −30%#010304
Darker −40%#000000
More saturated +25%#00589E
Less saturated −25%#275477

Channel breakdown

R19
G86
B139
Red19 (7.5%)
Green86 (33.7%)
Blue139 (54.5%)
Hue206.5°
Saturation (HSL)75.95%
Lightness30.98%
Dominant channelBlue
Hex per channelR 13 · G 56 · B 8B

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Every value on this page was computed from “13568b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.