Nerdulator> put something in

Colour

#6688DE

  • #6688DE
  • Blue
  • Dark
  • Nearest: Cornflower blue

#6688DE is a blue with RGB values 102, 136, 222 and HSL 223°, 65%, 64%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#6688DE#6688DE
HEX#6688DE
RGBrgb(102, 136, 222)
RGB (0–1)0.4, 0.5333, 0.8706
RGB percentages40%, 53.3%, 87.1%
HSLhsl(223, 64.5%, 63.5%)
HSV / HSBhsv(223, 54.1%, 87.1%)
CMYK54.1%, 38.7%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,719,710
CSS custom property--colour: #6688DE;

Brightness & contrast

Relative luminance0.25707WCAG 2.x, 0 is black and 1 is white
Perceived brightness140 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.14:1
Contrast with white3.42:1WCAG normal text: Fail
Contrast with black6.14:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#997721

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6591E1no red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#5686DCno green cones; the most common form, about 1% of men; ΔE 3.3 from the original
Tritanopia#249BA8no blue cones; rare, and affects men and women equally; ΔE 50.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.42:1WCAG large text: AA
Contrast with black, large text6.14:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 5.6Dodgerblue · ΔE 16.1Steel blue · ΔE 23.3Royal blue · ΔE 24.4Medium purple · ΔE 24.4Slate blue · ΔE 28.4
Nearest named CSS colourCornflower blue (#6495ED)ΔE 5.6, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DEBC66
Analogous#66C4DE, #8066DE
Triadic#DE6688, #88DE66
Split complementary#DE8066, #C4DE66
Tetradic#DE66C4, #DEBC66, #66DE80

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E4EAF9
Lighter +20%#BAC9F0
Lighter +10%#90A9E7
Darker −10%#3C67D5
Darker −20%#2750B7
Darker −30%#1E3E8D
Darker −40%#152B63
More saturated +25%#4F7EF5
Less saturated −25%#7D92C7

Channel breakdown

R102
G136
B222
Red102 (40%)
Green136 (53.3%)
Blue222 (87.1%)
Hue223°
Saturation (HSL)64.52%
Lightness63.53%
Dominant channelBlue
Hex per channelR 66 · G 88 · B DE

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 “6688de” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.