Nerdulator> put something in

Recognised as Colour

#659FFB

  • #659FFB
  • Blue
  • Dark
  • Nearest: Cornflower blue

#659FFB is a blue with RGB values 101, 159, 251 and HSL 217°, 95%, 69%. It is a dark colour, so black text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#659FFB#659FFB
HEX#659FFB
RGBrgb(101, 159, 251)
RGB (0–1)0.3961, 0.6235, 0.9843
RGB percentages39.6%, 62.4%, 98.4%
HSLhsl(216.8, 94.9%, 69%)
HSV / HSBhsv(216.8, 59.8%, 98.4%)
CMYK59.8%, 36.7%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,660,091
CSS custom property--colour: #659FFB;

Brightness & contrast

Relative luminance0.34528WCAG 2.x, 0 is black and 1 is white
Perceived brightness158.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.91:1
Contrast with white2.66:1WCAG normal text: Fail
Contrast with black7.91:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#9A6004

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#78A6FFno red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#6498F9no green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#00B4C1no blue cones; rare, and affects men and women equally; ΔE 53.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.66:1WCAG large text: Fail
Contrast with black, large text7.91:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 4.3Dodgerblue · ΔE 13.4Steel blue · ΔE 26.3Deep skyblue · ΔE 28.3Royal blue · ΔE 28.7Medium purple · ΔE 30.5
Nearest named CSS colourCornflower blue (#6495ED)ΔE 4.25, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBC165
Analogous#65EAFB, #7665FB
Triadic#FB659F, #9FFB65
Split complementary#FB7665, #EAFB65
Tetradic#FB65EA, #FBC165, #65FB76

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FAFCFF
Lighter +20%#C8DDFE
Lighter +10%#97BEFC
Darker −10%#3380FA
Darker −20%#0662F4
Darker −30%#054EC2
Darker −40%#043A90
More saturated +25%#619EFF
Less saturated −25%#79A3E7

Channel breakdown

R101
G159
B251
Red101 (39.6%)
Green159 (62.4%)
Blue251 (98.4%)
Hue216.8°
Saturation (HSL)94.94%
Lightness69.02%
Dominant channelBlue
Hex per channelR 65 · G 9F · B FB

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “659ffb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.