Nerdulator> put something in

Colour

#66BAFF

  • #66BAFF
  • Blue
  • Dark
  • Nearest: Deep skyblue

#66BAFF is a blue with RGB values 102, 186, 255 and HSL 207°, 100%, 70%. It is a dark colour, so black text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#66BAFF#66BAFF
HEX#66BAFF
RGBrgb(102, 186, 255)
RGB (0–1)0.4, 0.7294, 1
RGB percentages40%, 72.9%, 100%
HSLhsl(207.1, 100%, 70%)
HSV / HSBhsv(207.1, 60%, 100%)
CMYK60%, 27.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,732,543
CSS custom property--colour: #66BAFF;

Brightness & contrast

Relative luminance0.45163WCAG 2.x, 0 is black and 1 is white
Perceived brightness175.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.03:1
Contrast with white2.09:1WCAG normal text: Fail
Contrast with black10.03:1WCAG normal text: AAA
Greyscale equivalent#ADADAD
Inverted#994500

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9CBCFFno red cones; affects about 1% of men; ΔE 12.6 from the original
Deuteranopia#87ACFEno green cones; the most common form, about 1% of men; ΔE 14.9 from the original
Tritanopia#00CBD2no blue cones; rare, and affects men and women equally; ΔE 42.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.09:1WCAG large text: Fail
Contrast with black, large text10.03:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 12.1Light skyblue · ΔE 15.7Cornflower blue · ΔE 20.1Steel blue · ΔE 22.7Sky blue · ΔE 23.3Light steelblue · ΔE 27.4
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 12.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFAB66
Analogous#66FFF7, #666EFF
Triadic#FF66BA, #BAFF66
Split complementary#FF666E, #FFF766
Tetradic#F766FF, #FFAB66, #6EFF66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#CCE8FF
Lighter +10%#99D1FF
Darker −10%#33A3FF
Darker −20%#008CFF
Darker −30%#0070CC
Darker −40%#005499
More saturated +25%#66BAFF
Less saturated −25%#79B8EC

Channel breakdown

R102
G186
B255
Red102 (40%)
Green186 (72.9%)
Blue255 (100%)
Hue207.06°
Saturation (HSL)100%
Lightness70%
Dominant channelBlue
Hex per channelR 66 · G BA · B FF

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 “66baff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.