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Recognised as Colour

#111A5B

  • #111A5B
  • Blue
  • Dark
  • Nearest: Midnight blue

#111A5B is a blue with RGB values 17, 26, 91 and HSL 233°, 69%, 21%. It is a dark colour, so white text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#111A5B#111A5B
HEX#111A5B
RGBrgb(17, 26, 91)
RGB (0–1)0.0667, 0.102, 0.3569
RGB percentages6.7%, 10.2%, 35.7%
HSLhsl(232.7, 68.5%, 21.2%)
HSV / HSBhsv(232.7, 81.3%, 35.7%)
CMYK81.3%, 71.4%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,120,859
CSS custom property--colour: #111A5B;

Brightness & contrast

Relative luminance0.01613WCAG 2.x, 0 is black and 1 is white
Perceived brightness37.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.88:1
Contrast with white15.88:1WCAG normal text: AAA
Contrast with black1.32:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#EEE5A4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00265Dno red cones; affects about 1% of men; ΔE 10.9 from the original
Deuteranopia#001F5Ano green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#002B38no blue cones; rare, and affects men and women equally; ΔE 41.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.88:1WCAG large text: AAA
Contrast with black, large text1.32:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 13.8Dark slateblue · ΔE 18.1Rebecca purple · ΔE 29.4Indigo · ΔE 33.2Navy · ΔE 35.5Slate blue · ΔE 39.2
Nearest named CSS colourMidnight blue (#191970)ΔE 13.83, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B5211
Analogous#113F5B, #2D115B
Triadic#5B111A, #1A5B11
Split complementary#5B2D11, #3F5B11
Tetradic#5B113F, #5B5211, #115B2D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5869E0
Lighter +30%#2D42D8
Lighter +20%#2133B1
Lighter +10%#192686
Darker −10%#090E30
Darker −20%#010105
Darker −30%#000000
Darker −40%#000000
More saturated +25%#041069
Less saturated −25%#1F244E

Channel breakdown

R17
G26
B91
Red17 (6.7%)
Green26 (10.2%)
Blue91 (35.7%)
Hue232.7°
Saturation (HSL)68.52%
Lightness21.18%
Dominant channelBlue
Hex per channelR 11 · G 1A · B 5B

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Every value on this page was computed from “111a5b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.