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Recognised as Colour

#657EFE

  • #657EFE
  • Blue
  • Dark
  • Nearest: Royal blue

#657EFE is a blue with RGB values 101, 126, 254 and HSL 230°, 99%, 70%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#657EFE#657EFE
HEX#657EFE
RGBrgb(101, 126, 254)
RGB (0–1)0.3961, 0.4941, 0.9961
RGB percentages39.6%, 49.4%, 99.6%
HSLhsl(230.2, 98.7%, 69.6%)
HSV / HSBhsv(230.2, 60.2%, 99.6%)
CMYK60.2%, 50.4%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,651,646
CSS custom property--colour: #657EFE;

Brightness & contrast

Relative luminance0.24844WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.97:1
Contrast with white3.52:1WCAG normal text: Fail
Contrast with black5.97:1WCAG normal text: AA
Greyscale equivalent#828282
Inverted#9A8101

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3690FFno red cones; affects about 1% of men; ΔE 17.7 from the original
Deuteranopia#0582FBno green cones; the most common form, about 1% of men; ΔE 12.9 from the original
Tritanopia#009CB2no blue cones; rare, and affects men and women equally; ΔE 71.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.52:1WCAG large text: AA
Contrast with black, large text5.97:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9.5Medium slateblue · ΔE 13.2Slate blue · ΔE 16.3Medium purple · ΔE 18.5Dodgerblue · ΔE 19.3Cornflower blue · ΔE 26.6
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.54, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FEE565
Analogous#65CAFE, #9965FE
Triadic#FE657E, #7EFE65
Split complementary#FE9965, #CAFE65
Tetradic#FE65CA, #FEE565, #65FE99

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FDFDFF
Lighter +20%#CAD3FF
Lighter +10%#98A8FE
Darker −10%#3254FE
Darker −20%#022AFB
Darker −30%#0122C9
Darker −40%#011996
More saturated +25%#647DFF
Less saturated −25%#788BEB

Channel breakdown

R101
G126
B254
Red101 (39.6%)
Green126 (49.4%)
Blue254 (99.6%)
Hue230.2°
Saturation (HSL)98.71%
Lightness69.61%
Dominant channelBlue
Hex per channelR 65 · G 7E · B FE

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Every value on this page was computed from “657efe” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.