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Recognised as Colour

#ADDAFF

  • #ADDAFF
  • Blue
  • Light
  • Nearest: Light skyblue

#ADDAFF is a blue with RGB values 173, 218, 255 and HSL 207°, 100%, 84%. It is a light colour, so black text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#ADDAFF#ADDAFF
HEX#ADDAFF
RGBrgb(173, 218, 255)
RGB (0–1)0.6784, 0.8549, 1
RGB percentages67.8%, 85.5%, 100%
HSLhsl(207.1, 100%, 83.9%)
HSV / HSBhsv(207.1, 32.2%, 100%)
CMYK32.2%, 14.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,393,791
CSS custom property--colour: #ADDAFF;

Brightness & contrast

Relative luminance0.66247WCAG 2.x, 0 is black and 1 is white
Perceived brightness210.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.25:1
Contrast with white1.47:1WCAG normal text: Fail
Contrast with black14.25:1WCAG normal text: AAA
Greyscale equivalent#D3D3D3
Inverted#522500

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CBDAFFno red cones; affects about 1% of men; ΔE 9.4 from the original
Deuteranopia#C0D1FEno green cones; the most common form, about 1% of men; ΔE 10.1 from the original
Tritanopia#93E3E6no blue cones; rare, and affects men and women equally; ΔE 22.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.47:1WCAG large text: Fail
Contrast with black, large text14.25:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 9.2Sky blue · ΔE 10.6Light steelblue · ΔE 11.2Light blue · ΔE 12.3Powder blue · ΔE 16.8Lavender · ΔE 17.7
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 9.2, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFD2AD
Analogous#ADFFFB, #ADB1FF
Triadic#FFADDA, #DAFFAD
Split complementary#FFADB1, #FFFBAD
Tetradic#FBADFF, #FFD2AD, #B1FFAD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#E0F1FF
Darker −10%#7AC3FF
Darker −20%#47ACFF
Darker −30%#1495FF
Darker −40%#007BE0
More saturated +25%#ADDAFF
Less saturated −25%#B7D9F5

Channel breakdown

R173
G218
B255
Red173 (67.8%)
Green218 (85.5%)
Blue255 (100%)
Hue207.07°
Saturation (HSL)100%
Lightness83.92%
Dominant channelBlue
Hex per channelR AD · G DA · B FF

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