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Colour

#EFF8FD

  • #EFF8FD
  • Blue
  • Light
  • Nearest: Alice blue

#EFF8FD is a blue with RGB values 239, 248, 253 and HSL 201°, 78%, 96%. It is a light colour, so black text on it reaches 19.5:1 contrast (AAA for normal text). The nearest named colour is Alice blue.

Colour values

#EFF8FD#EFF8FD
HEX#EFF8FD
RGBrgb(239, 248, 253)
RGB (0–1)0.9373, 0.9725, 0.9922
RGB percentages93.7%, 97.3%, 99.2%
HSLhsl(201.4, 77.8%, 96.5%)
HSV / HSBhsv(201.4, 5.5%, 99.2%)
CMYK5.5%, 2%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,726,845
CSS custom property--colour: #EFF8FD;

Brightness & contrast

Relative luminance0.92577WCAG 2.x, 0 is black and 1 is white
Perceived brightness245.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 19.52:1
Contrast with white1.08:1WCAG normal text: Fail
Contrast with black19.52:1WCAG normal text: AAA
Greyscale equivalent#F6F6F6
Inverted#100702

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F6F7FDno red cones; affects about 1% of men; ΔE 2.8 from the original
Deuteranopia#F4F6FDno green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#ECF9F9no blue cones; rare, and affects men and women equally; ΔE 2.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.08:1WCAG large text: Fail
Contrast with black, large text19.52:1WCAG large text: AAA

Named colours

Alice blue · ΔE 1.1Ghost white · ΔE 3.4Azure · ΔE 3.8White smoke · ΔE 4White · ΔE 5Mint cream · ΔE 5.5
Nearest named CSS colourAlice blue (#F0F8FF)ΔE 1.1, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FDF4EF
Analogous#EFFDFB, #EFF1FD
Triadic#FDEFF8, #F8FDEF
Split complementary#FDEFF1, #FDFBEF
Tetradic#FBEFFD, #FDF4EF, #F1FDEF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#FFFFFF
Darker −10%#C2E4F7
Darker −20%#94D0F2
Darker −30%#67BDEC
Darker −40%#3AA9E6
More saturated +25%#EDF9FF
Less saturated −25%#F1F7FB

Channel breakdown

R239
G248
B253
Red239 (93.7%)
Green248 (97.3%)
Blue253 (99.2%)
Hue201.43°
Saturation (HSL)77.78%
Lightness96.47%
Dominant channelBlue
Hex per channelR EF · G F8 · B FD

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Every value on this page was computed from “eff8fd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.