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Recognised as Colour

#6579DA

  • #6579DA
  • Blue
  • Dark
  • Nearest: Cornflower blue

#6579DA is a blue with RGB values 101, 121, 218 and HSL 230°, 61%, 63%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#6579DA#6579DA
HEX#6579DA
RGBrgb(101, 121, 218)
RGB (0–1)0.3961, 0.4745, 0.8549
RGB percentages39.6%, 47.5%, 85.5%
HSLhsl(229.7, 61.3%, 62.5%)
HSV / HSBhsv(229.7, 53.7%, 85.5%)
CMYK53.7%, 44.5%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,650,330
CSS custom property--colour: #6579DA;

Brightness & contrast

Relative luminance0.21503WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.3:1
Contrast with white3.96:1WCAG normal text: Fail
Contrast with black5.3:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#9A8625

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4F85DEno red cones; affects about 1% of men; ΔE 10.5 from the original
Deuteranopia#417BD8no green cones; the most common form, about 1% of men; ΔE 8.6 from the original
Tritanopia#2A8E9Fno blue cones; rare, and affects men and women equally; ΔE 55 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.96:1WCAG large text: AA
Contrast with black, large text5.3:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 14Royal blue · ΔE 15.6Dodgerblue · ΔE 16.3Medium purple · ΔE 16.8Slate blue · ΔE 18.7Medium slateblue · ΔE 24.8
Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.03, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DAC665
Analogous#65B4DA, #8B65DA
Triadic#DA6579, #79DA65
Split complementary#DA8B65, #B4DA65
Tetradic#DA65B4, #DAC665, #65DA8B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E0E4F8
Lighter +20%#B7C1EE
Lighter +10%#8E9DE4
Darker −10%#3C55D0
Darker −20%#2A41AF
Darker −30%#203286
Darker −40%#16225D
More saturated +25%#4D69F2
Less saturated −25%#7D89C2

Channel breakdown

R101
G121
B218
Red101 (39.6%)
Green121 (47.5%)
Blue218 (85.5%)
Hue229.74°
Saturation (HSL)61.26%
Lightness62.55%
Dominant channelBlue
Hex per channelR 65 · G 79 · B DA

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Every value on this page was computed from “6579da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.