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Recognised as Colour

#1131D3

  • #1131D3
  • Blue
  • Dark
  • Nearest: Medium blue

#1131D3 is a blue with RGB values 17, 49, 211 and HSL 230°, 85%, 45%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1131D3#1131D3
HEX#1131D3
RGBrgb(17, 49, 211)
RGB (0–1)0.0667, 0.1922, 0.8275
RGB percentages6.7%, 19.2%, 82.7%
HSLhsl(230.1, 85.1%, 44.7%)
HSV / HSBhsv(230.1, 91.9%, 82.7%)
CMYK91.9%, 76.8%, 0%, 17.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,126,867
CSS custom property--colour: #1131D3;

Brightness & contrast

Relative luminance0.07019WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.74:1
Contrast with white8.74:1WCAG normal text: AAA
Contrast with black2.4:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#EECE2C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0054D8no red cones; affects about 1% of men; ΔE 24.2 from the original
Deuteranopia#0041D0no green cones; the most common form, about 1% of men; ΔE 13 from the original
Tritanopia#006381no blue cones; rare, and affects men and women equally; ΔE 88.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.74:1WCAG large text: AAA
Contrast with black, large text2.4:1WCAG large text: Fail

Named colours

Medium blue · ΔE 18.5Blue violet · ΔE 22.5Dark blue · ΔE 22.7Navy · ΔE 27Dark violet · ΔE 28.8Dark orchid · ΔE 29.3
Nearest named CSS colourMedium blue (#0000CD)ΔE 18.53, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D3B311
Analogous#1192D3, #5211D3
Triadic#D31131, #31D311
Split complementary#D35211, #92D311
Tetradic#D31192, #D3B311, #11D352

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B7C2F9
Lighter +30%#889AF5
Lighter +20%#5872F2
Lighter +10%#294AEE
Darker −10%#0D26A4
Darker −20%#091B75
Darker −30%#061045
Darker −40%#020516
More saturated +25%#0026E4
Less saturated −25%#2D44B6

Channel breakdown

R17
G49
B211
Red17 (6.7%)
Green49 (19.2%)
Blue211 (82.7%)
Hue230.1°
Saturation (HSL)85.09%
Lightness44.71%
Dominant channelBlue
Hex per channelR 11 · G 31 · B D3

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Every value on this page was computed from “1131d3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.