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Recognised as Colour

#111C4F

  • #111C4F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#111C4F is a blue with RGB values 17, 28, 79 and HSL 229°, 65%, 19%. It is a dark colour, so white text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#111C4F#111C4F
HEX#111C4F
RGBrgb(17, 28, 79)
RGB (0–1)0.0667, 0.1098, 0.3098
RGB percentages6.7%, 11%, 31%
HSLhsl(229.4, 64.6%, 18.8%)
HSV / HSBhsv(229.4, 78.5%, 31%)
CMYK78.5%, 64.6%, 0%, 69%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,121,359
CSS custom property--colour: #111C4F;

Brightness & contrast

Relative luminance0.01514WCAG 2.x, 0 is black and 1 is white
Perceived brightness35.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.12:1
Contrast with white16.12:1WCAG normal text: AAA
Contrast with black1.3:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#EEE3B0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002451no red cones; affects about 1% of men; ΔE 7.9 from the original
Deuteranopia#001E4Eno green cones; the most common form, about 1% of men; ΔE 4.2 from the original
Tritanopia#002932no blue cones; rare, and affects men and women equally; ΔE 34.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.12:1WCAG large text: AAA
Contrast with black, large text1.3:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 22.9Midnight blue · ΔE 23.4Rebecca purple · ΔE 36.8Black · ΔE 38.5Indigo · ΔE 42.2Dark slate grey · ΔE 44
Nearest named CSS colourDark slateblue (#483D8B)ΔE 22.87, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4F4411
Analogous#113B4F, #25114F
Triadic#4F111C, #1C4F11
Split complementary#4F2511, #3B4F11
Tetradic#4F113B, #4F4411, #114F25

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#526ADA
Lighter +30%#2C49CD
Lighter +20%#233AA3
Lighter +10%#1A2B79
Darker −10%#080D25
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#05145B
Less saturated −25%#1D2443

Channel breakdown

R17
G28
B79
Red17 (6.7%)
Green28 (11%)
Blue79 (31%)
Hue229.35°
Saturation (HSL)64.58%
Lightness18.82%
Dominant channelBlue
Hex per channelR 11 · G 1C · B 4F

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Every value on this page was computed from “111c4f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.