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Colour

#507DDA

  • #507DDA
  • Blue
  • Dark
  • Nearest: Cornflower blue

#507DDA is a blue with RGB values 80, 125, 218 and HSL 220°, 65%, 58%. 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

#507DDA#507DDA
HEX#507DDA
RGBrgb(80, 125, 218)
RGB (0–1)0.3137, 0.4902, 0.8549
RGB percentages31.4%, 49%, 85.5%
HSLhsl(220.4, 65.1%, 58.4%)
HSV / HSBhsv(220.4, 63.3%, 85.5%)
CMYK63.3%, 42.7%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,275,098
CSS custom property--colour: #507DDA;

Brightness & contrast

Relative luminance0.21435WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.29:1
Contrast with white3.97:1WCAG normal text: Fail
Contrast with black5.29:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#AF8225

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5286DEno red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#3D7AD8no green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#0092A1no blue cones; rare, and affects men and women equally; ΔE 53.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.97:1WCAG large text: AA
Contrast with black, large text5.29:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10Dodgerblue · ΔE 13.1Royal blue · ΔE 18.9Medium purple · ΔE 23.3Slate blue · ΔE 24.4Steel blue · ΔE 26.8
Nearest named CSS colourCornflower blue (#6495ED)ΔE 10, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DAAD50
Analogous#50C2DA, #6850DA
Triadic#DA507D, #7DDA50
Split complementary#DA6850, #C2DA50
Tetradic#DA50C2, #DAAD50, #50DA68

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F8FAFE
Lighter +30%#CEDBF5
Lighter +20%#A4BCEC
Lighter +10%#7A9CE3
Darker −10%#2B60CC
Darker −20%#224CA2
Darker −30%#193878
Darker −40%#10244E
More saturated +25%#3574F4
Less saturated −25%#6A86C0

Channel breakdown

R80
G125
B218
Red80 (31.4%)
Green125 (49%)
Blue218 (85.5%)
Hue220.43°
Saturation (HSL)65.09%
Lightness58.43%
Dominant channelBlue
Hex per channelR 50 · G 7D · B DA

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Every value on this page was computed from “507dda” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.