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Recognised as Colour

#658FFF

  • #658FFF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#658FFF is a blue with RGB values 101, 143, 255 and HSL 224°, 100%, 70%. It is a dark colour, so black text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#658FFF#658FFF
HEX#658FFF
RGBrgb(101, 143, 255)
RGB (0–1)0.3961, 0.5608, 1
RGB percentages39.6%, 56.1%, 100%
HSLhsl(223.6, 100%, 69.8%)
HSV / HSBhsv(223.6, 60.4%, 100%)
CMYK60.4%, 43.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,655,999
CSS custom property--colour: #658FFF;

Brightness & contrast

Relative luminance0.29632WCAG 2.x, 0 is black and 1 is white
Perceived brightness149.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.93:1
Contrast with white3.03:1WCAG normal text: Fail
Contrast with black6.93:1WCAG normal text: AA
Greyscale equivalent#8E8E8E
Inverted#9A7000

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5B9BFFno red cones; affects about 1% of men; ΔE 10.2 from the original
Deuteranopia#438EFDno green cones; the most common form, about 1% of men; ΔE 5.8 from the original
Tritanopia#00A8BBno blue cones; rare, and affects men and women equally; ΔE 62.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.03:1WCAG large text: AA
Contrast with black, large text6.93:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 9.7Cornflower blue · ΔE 14.5Royal blue · ΔE 16.2Medium purple · ΔE 21.5Slate blue · ΔE 23.6Medium slateblue · ΔE 24.5
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 9.73, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFD565
Analogous#65DCFF, #8865FF
Triadic#FF658F, #8FFF65
Split complementary#FF8865, #DCFF65
Tetradic#FF65DC, #FFD565, #65FF88

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FEFEFF
Lighter +20%#CBD9FF
Lighter +10%#98B4FF
Darker −10%#326AFF
Darker −20%#0045FE
Darker −30%#0037CB
Darker −40%#002998
More saturated +25%#658FFF
Less saturated −25%#7898EC

Channel breakdown

R101
G143
B255
Red101 (39.6%)
Green143 (56.1%)
Blue255 (100%)
Hue223.64°
Saturation (HSL)100%
Lightness69.8%
Dominant channelBlue
Hex per channelR 65 · G 8F · B FF

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