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Recognised as Colour

#11568F

  • #11568F
  • Blue
  • Dark
  • Nearest: Steel blue

#11568F is a blue with RGB values 17, 86, 143 and HSL 207°, 79%, 31%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#11568F#11568F
HEX#11568F
RGBrgb(17, 86, 143)
RGB (0–1)0.0667, 0.3373, 0.5608
RGB percentages6.7%, 33.7%, 56.1%
HSLhsl(207.1, 78.8%, 31.4%)
HSV / HSBhsv(207.1, 88.1%, 56.1%)
CMYK88.1%, 39.9%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,136,271
CSS custom property--colour: #11568F;

Brightness & contrast

Relative luminance0.08758WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.63:1
Contrast with white7.63:1WCAG normal text: AAA
Contrast with black2.75:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#EEA970

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A5991no red cones; affects about 1% of men; ΔE 6.2 from the original
Deuteranopia#264E8Eno green cones; the most common form, about 1% of men; ΔE 7.9 from the original
Tritanopia#00646Bno blue cones; rare, and affects men and women equally; ΔE 35.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.63:1WCAG large text: AAA
Contrast with black, large text2.75:1WCAG large text: Fail

Named colours

Steel blue · ΔE 18.6Dark slateblue · ΔE 25.3Cornflower blue · ΔE 30Slate grey · ΔE 32Light slate grey · ΔE 33.3Dark slate grey · ΔE 36.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 18.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8F4A11
Analogous#118F89, #11178F
Triadic#8F1156, #568F11
Split complementary#8F1117, #8F8911
Tetradic#89118F, #8F4A11, #178F11

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7DBBEF
Lighter +30%#4FA4EA
Lighter +20%#218CE5
Lighter +10%#1671BD
Darker −10%#0C3B61
Darker −20%#061F34
Darker −30%#010406
Darker −40%#000000
More saturated +25%#0058A0
Less saturated −25%#25547B

Channel breakdown

R17
G86
B143
Red17 (6.7%)
Green86 (33.7%)
Blue143 (56.1%)
Hue207.14°
Saturation (HSL)78.75%
Lightness31.37%
Dominant channelBlue
Hex per channelR 11 · G 56 · B 8F

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Every value on this page was computed from “11568f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.