Nerdulator> put something in

Recognised as Colour

#6659EB

  • #6659EB
  • Blue
  • Dark
  • Nearest: Medium slateblue

#6659EB is a blue with RGB values 102, 89, 235 and HSL 245°, 78%, 64%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#6659EB#6659EB
HEX#6659EB
RGBrgb(102, 89, 235)
RGB (0–1)0.4, 0.349, 0.9216
RGB percentages40%, 34.9%, 92.2%
HSLhsl(245.3, 78.5%, 63.5%)
HSV / HSBhsv(245.3, 62.1%, 92.2%)
CMYK56.6%, 62.1%, 0%, 7.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,707,691
CSS custom property--colour: #6659EB;

Brightness & contrast

Relative luminance0.15968WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.01:1
Contrast with white5.01:1WCAG normal text: AA
Contrast with black4.19:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#99A614

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0074F0no red cones; affects about 1% of men; ΔE 24.8 from the original
Deuteranopia#006AE8no green cones; the most common form, about 1% of men; ΔE 21.3 from the original
Tritanopia#1A7D9Ano blue cones; rare, and affects men and women equally; ΔE 78.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.01:1WCAG large text: AAA
Contrast with black, large text4.19:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 9.5Slate blue · ΔE 17.1Royal blue · ΔE 20Dark orchid · ΔE 23.8Medium purple · ΔE 25Blue violet · ΔE 25.4
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 9.47, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DEEB59
Analogous#5995EB, #AF59EB
Triadic#EB6659, #59EB66
Split complementary#EBAF59, #95EB59
Tetradic#EB5995, #DEEB59, #59EBAF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E4E2FB
Lighter +20%#BAB4F6
Lighter +10%#9087F0
Darker −10%#3C2BE6
Darker −20%#2718C6
Darker −30%#1E1299
Darker −40%#150D6B
More saturated +25%#5645FF
Less saturated −25%#7970D4

Channel breakdown

R102
G89
B235
Red102 (40%)
Green89 (34.9%)
Blue235 (92.2%)
Hue245.34°
Saturation (HSL)78.49%
Lightness63.53%
Dominant channelBlue
Hex per channelR 66 · G 59 · B EB

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 “6659eb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.