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Colour

#5681CA

  • #5681CA
  • Blue
  • Dark
  • Nearest: Cornflower blue

#5681CA is a blue with RGB values 86, 129, 202 and HSL 218°, 52%, 56%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#5681CA#5681CA
HEX#5681CA
RGBrgb(86, 129, 202)
RGB (0–1)0.3373, 0.5059, 0.7922
RGB percentages33.7%, 50.6%, 79.2%
HSLhsl(217.8, 52.3%, 56.5%)
HSV / HSBhsv(217.8, 57.4%, 79.2%)
CMYK57.4%, 36.1%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,669,322
CSS custom property--colour: #5681CA;

Brightness & contrast

Relative luminance0.21943WCAG 2.x, 0 is black and 1 is white
Perceived brightness129 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.39:1
Contrast with white3.9:1WCAG normal text: Fail
Contrast with black5.39:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#A97E35

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6387CDno red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#547CC8no green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#00919Cno blue cones; rare, and affects men and women equally; ΔE 44.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.9:1WCAG large text: AA
Contrast with black, large text5.39:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10.8Steel blue · ΔE 15.1Dodgerblue · ΔE 21.9Dark slateblue · ΔE 30Royal blue · ΔE 30.5Medium purple · ΔE 30.8
Nearest named CSS colourCornflower blue (#6495ED)ΔE 10.82, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CA9F56
Analogous#56BBCA, #6556CA
Triadic#CA5681, #81CA56
Split complementary#CA6556, #BBCA56
Tetradic#CA56BB, #CA9F56, #56CA65

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F1F5FB
Lighter +30%#CAD8EF
Lighter +20%#A4BBE2
Lighter +10%#7D9ED6
Darker −10%#3966B4
Darker −20%#2C508E
Darker −30%#203A67
Darker −40%#142440
More saturated +25%#3A7AE6
Less saturated −25%#7288AE

Channel breakdown

R86
G129
B202
Red86 (33.7%)
Green129 (50.6%)
Blue202 (79.2%)
Hue217.76°
Saturation (HSL)52.25%
Lightness56.47%
Dominant channelBlue
Hex per channelR 56 · G 81 · B CA

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Every value on this page was computed from “5681ca” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.