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Recognised as Colour

#A3CDEF

  • #A3CDEF
  • Blue
  • Light
  • Nearest: Light steelblue

#A3CDEF is a blue with RGB values 163, 205, 239 and HSL 207°, 70%, 79%. It is a light colour, so black text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#A3CDEF#A3CDEF
HEX#A3CDEF
RGBrgb(163, 205, 239)
RGB (0–1)0.6392, 0.8039, 0.9373
RGB percentages63.9%, 80.4%, 93.7%
HSLhsl(206.8, 70.4%, 78.8%)
HSV / HSBhsv(206.8, 31.8%, 93.7%)
CMYK31.8%, 14.2%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,735,087
CSS custom property--colour: #A3CDEF;

Brightness & contrast

Relative luminance0.57681WCAG 2.x, 0 is black and 1 is white
Perceived brightness197.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.54:1
Contrast with white1.68:1WCAG normal text: Fail
Contrast with black12.54:1WCAG normal text: AAA
Greyscale equivalent#C7C7C7
Inverted#5C3210

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BFCDF1no red cones; affects about 1% of men; ΔE 9.1 from the original
Deuteranopia#B5C4EEno green cones; the most common form, about 1% of men; ΔE 9.9 from the original
Tritanopia#8BD5D8no blue cones; rare, and affects men and women equally; ΔE 20.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.68:1WCAG large text: Fail
Contrast with black, large text12.54:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 7.9Light skyblue · ΔE 8.8Sky blue · ΔE 9Light blue · ΔE 11.4Powder blue · ΔE 16.5Lavender · ΔE 18.8
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 7.89, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EFC5A3
Analogous#A3EFEB, #A3A7EF
Triadic#EFA3CD, #CDEFA3
Split complementary#EFA3A7, #EFEBA3
Tetradic#EBA3EF, #EFC5A3, #A7EFA3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FAFCFE
Lighter +10%#CEE5F7
Darker −10%#78B5E7
Darker −20%#4C9EE0
Darker −30%#2586D4
Darker −40%#1D6AA9
More saturated +25%#96CEFD
Less saturated −25%#B1CCE2

Channel breakdown

R163
G205
B239
Red163 (63.9%)
Green205 (80.4%)
Blue239 (93.7%)
Hue206.84°
Saturation (HSL)70.37%
Lightness78.82%
Dominant channelBlue
Hex per channelR A3 · G CD · B EF

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Every value on this page was computed from “a3cdef” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.