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Recognised as Colour

#113B9B

  • #113B9B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#113B9B is a blue with RGB values 17, 59, 155 and HSL 222°, 80%, 34%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#113B9B#113B9B
HEX#113B9B
RGBrgb(17, 59, 155)
RGB (0–1)0.0667, 0.2314, 0.6078
RGB percentages6.7%, 23.1%, 60.8%
HSLhsl(221.7, 80.2%, 33.7%)
HSV / HSBhsv(221.7, 89%, 60.8%)
CMYK89%, 61.9%, 0%, 39.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,129,371
CSS custom property--colour: #113B9B;

Brightness & contrast

Relative luminance0.05614WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.89:1
Contrast with white9.89:1WCAG normal text: AAA
Contrast with black2.12:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#EEC464

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004A9Eno red cones; affects about 1% of men; ΔE 11.9 from the original
Deuteranopia#003D99no green cones; the most common form, about 1% of men; ΔE 3.3 from the original
Tritanopia#005465no blue cones; rare, and affects men and women equally; ΔE 56.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.89:1WCAG large text: AAA
Contrast with black, large text2.12:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.1Midnight blue · ΔE 15.6Slate blue · ΔE 20.3Rebecca purple · ΔE 20.4Royal blue · ΔE 21.6Indigo · ΔE 28
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.12, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9B7111
Analogous#11809B, #2C119B
Triadic#9B113B, #3B9B11
Split complementary#9B2C11, #809B11
Tetradic#9B1180, #9B7111, #119B2C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#86A7F2
Lighter +30%#5885ED
Lighter +20%#2A64E8
Lighter +10%#164CC9
Darker −10%#0C2A6D
Darker −20%#07183F
Darker −30%#020711
Darker −40%#000000
More saturated +25%#0034AC
Less saturated −25%#264385

Channel breakdown

R17
G59
B155
Red17 (6.7%)
Green59 (23.1%)
Blue155 (60.8%)
Hue221.74°
Saturation (HSL)80.23%
Lightness33.73%
Dominant channelBlue
Hex per channelR 11 · G 3B · B 9B

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Every value on this page was computed from “113b9b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.