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Recognised as Colour

#658FE0

  • #658FE0
  • Blue
  • Dark
  • Nearest: Cornflower blue

#658FE0 is a blue with RGB values 101, 143, 224 and HSL 220°, 66%, 64%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#658FE0#658FE0
HEX#658FE0
RGBrgb(101, 143, 224)
RGB (0–1)0.3961, 0.5608, 0.8784
RGB percentages39.6%, 56.1%, 87.8%
HSLhsl(219.5, 66.5%, 63.7%)
HSV / HSBhsv(219.5, 54.9%, 87.8%)
CMYK54.9%, 36.2%, 0%, 12.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,655,968
CSS custom property--colour: #658FE0;

Brightness & contrast

Relative luminance0.27793WCAG 2.x, 0 is black and 1 is white
Perceived brightness144.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.56:1
Contrast with white3.2:1WCAG normal text: Fail
Contrast with black6.56:1WCAG normal text: AA
Greyscale equivalent#8C8C8C
Inverted#9A701F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6E96E3no red cones; affects about 1% of men; ΔE 3.7 from the original
Deuteranopia#5F8BDEno green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#18A1ADno blue cones; rare, and affects men and women equally; ΔE 48.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.2:1WCAG large text: AA
Contrast with black, large text6.56:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 4.3Dodgerblue · ΔE 17.8Steel blue · ΔE 20Medium purple · ΔE 28.6Royal blue · ΔE 28.8Deep skyblue · ΔE 29.7
Nearest named CSS colourCornflower blue (#6495ED)ΔE 4.33, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E0B665
Analogous#65CDE0, #7865E0
Triadic#E0658F, #8FE065
Split complementary#E07865, #CDE065
Tetradic#E065CD, #E0B665, #65E078

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E4ECFA
Lighter +20%#BACDF1
Lighter +10%#8FAEE9
Darker −10%#3B70D7
Darker −20%#2558BA
Darker −30%#1D448F
Darker −40%#143065
More saturated +25%#4E88F7
Less saturated −25%#7C96C9

Channel breakdown

R101
G143
B224
Red101 (39.6%)
Green143 (56.1%)
Blue224 (87.8%)
Hue219.51°
Saturation (HSL)66.49%
Lightness63.73%
Dominant channelBlue
Hex per channelR 65 · G 8F · B E0

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Every value on this page was computed from “658fe0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.