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Recognised as Colour

#658CDA

  • #658CDA
  • Blue
  • Dark
  • Nearest: Cornflower blue

#658CDA is a blue with RGB values 101, 140, 218 and HSL 220°, 61%, 63%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#658CDA#658CDA
HEX#658CDA
RGBrgb(101, 140, 218)
RGB (0–1)0.3961, 0.549, 0.8549
RGB percentages39.6%, 54.9%, 85.5%
HSLhsl(220, 61.3%, 62.5%)
HSV / HSBhsv(220, 53.7%, 85.5%)
CMYK53.7%, 35.8%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,655,194
CSS custom property--colour: #658CDA;

Brightness & contrast

Relative luminance0.26585WCAG 2.x, 0 is black and 1 is white
Perceived brightness141.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.32:1
Contrast with white3.32:1WCAG normal text: Fail
Contrast with black6.32:1WCAG normal text: AA
Greyscale equivalent#898989
Inverted#9A7325

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6D93DDno red cones; affects about 1% of men; ΔE 3.7 from the original
Deuteranopia#5F88D8no green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#249DA9no blue cones; rare, and affects men and women equally; ΔE 46.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.32:1WCAG large text: AA
Contrast with black, large text6.32:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 6.3Steel blue · ΔE 18.5Dodgerblue · ΔE 19.4Medium purple · ΔE 28.9Royal blue · ΔE 29.5Deep skyblue · ΔE 29.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 6.27, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DAB365
Analogous#65C7DA, #7965DA
Triadic#DA658C, #8CDA65
Split complementary#DA7965, #C6DA65
Tetradic#DA65C6, #DAB365, #65DA79

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E0E8F8
Lighter +20%#B7C9EE
Lighter +10%#8EABE4
Darker −10%#3C6DD0
Darker −20%#2A56AF
Darker −30%#204286
Darker −40%#162E5D
More saturated +25%#4D84F2
Less saturated −25%#7D94C2

Channel breakdown

R101
G140
B218
Red101 (39.6%)
Green140 (54.9%)
Blue218 (85.5%)
Hue220°
Saturation (HSL)61.26%
Lightness62.55%
Dominant channelBlue
Hex per channelR 65 · G 8C · B DA

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Every value on this page was computed from “658cda” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.