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Colour

#507CDA

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

#507CDA is a blue with RGB values 80, 124, 218 and HSL 221°, 65%, 58%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#507CDA#507CDA
HEX#507CDA
RGBrgb(80, 124, 218)
RGB (0–1)0.3137, 0.4863, 0.8549
RGB percentages31.4%, 48.6%, 85.5%
HSLhsl(220.9, 65.1%, 58.4%)
HSV / HSBhsv(220.9, 63.3%, 85.5%)
CMYK63.3%, 43.1%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,274,842
CSS custom property--colour: #507CDA;

Brightness & contrast

Relative luminance0.21183WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.24:1
Contrast with white4.01:1WCAG normal text: Fail
Contrast with black5.24:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#AF8325

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5086DEno red cones; affects about 1% of men; ΔE 6.1 from the original
Deuteranopia#3B79D8no green cones; the most common form, about 1% of men; ΔE 3.3 from the original
Tritanopia#0091A0no blue cones; rare, and affects men and women equally; ΔE 54.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.01:1WCAG large text: AA
Contrast with black, large text5.24:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10.6Dodgerblue · ΔE 13.1Royal blue · ΔE 18.1Medium purple · ΔE 22.7Slate blue · ΔE 23.7Dark slateblue · ΔE 27.4
Nearest named CSS colourCornflower blue (#6495ED)ΔE 10.64, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DAAE50
Analogous#50C1DA, #6950DA
Triadic#DA507C, #7CDA50
Split complementary#DA6950, #C1DA50
Tetradic#DA50C1, #DAAE50, #50DA69

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F8FAFE
Lighter +30%#CEDBF5
Lighter +20%#A4BBEC
Lighter +10%#7A9CE3
Darker −10%#2B5ECC
Darker −20%#224BA2
Darker −30%#193778
Darker −40%#10244E
More saturated +25%#3572F4
Less saturated −25%#6A86C0

Channel breakdown

R80
G124
B218
Red80 (31.4%)
Green124 (48.6%)
Blue218 (85.5%)
Hue220.87°
Saturation (HSL)65.09%
Lightness58.43%
Dominant channelBlue
Hex per channelR 50 · G 7C · B DA

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