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Colour

#EFF3FF

  • #EFF3FF
  • Blue
  • Light
  • Nearest: Alice blue

#EFF3FF is a blue with RGB values 239, 243, 255 and HSL 225°, 100%, 97%. It is a light colour, so black text on it reaches 18.9:1 contrast (AAA for normal text). The nearest named colour is Alice blue.

Colour values

#EFF3FF#EFF3FF
HEX#EFF3FF
RGBrgb(239, 243, 255)
RGB (0–1)0.9373, 0.9529, 1
RGB percentages93.7%, 95.3%, 100%
HSLhsl(225, 100%, 96.9%)
HSV / HSBhsv(225, 6.3%, 100%)
CMYK6.3%, 4.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,725,567
CSS custom property--colour: #EFF3FF;

Brightness & contrast

Relative luminance0.89672WCAG 2.x, 0 is black and 1 is white
Perceived brightness243.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 18.93:1
Contrast with white1.11:1WCAG normal text: Fail
Contrast with black18.93:1WCAG normal text: AAA
Greyscale equivalent#F3F3F3
Inverted#100C00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F0F4FFno red cones; affects about 1% of men; ΔE 0.6 from the original
Deuteranopia#EFF2FFno green cones; the most common form, about 1% of men; ΔE 0.7 from the original
Tritanopia#ECF5F7no blue cones; rare, and affects men and women equally; ΔE 5.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.11:1WCAG large text: Fail
Contrast with black, large text18.93:1WCAG large text: AAA

Named colours

Alice blue · ΔE 3.2Ghost white · ΔE 3.5Lavender · ΔE 6White smoke · ΔE 6.3Snow · ΔE 7.4White · ΔE 7.5
Nearest named CSS colourAlice blue (#F0F8FF)ΔE 3.24, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFFBEF
Analogous#EFFBFF, #F3EFFF
Triadic#FFEFF3, #F3FFEF
Split complementary#FFF3EF, #FBFFEF
Tetradic#FFEFFB, #FFFBEF, #EFFFF3

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%#BCCDFF
Darker −20%#89A6FF
Darker −30%#5680FF
Darker −40%#235AFF
More saturated +25%#EFF3FF
Less saturated −25%#F1F4FD

Channel breakdown

R239
G243
B255
Red239 (93.7%)
Green243 (95.3%)
Blue255 (100%)
Hue225°
Saturation (HSL)100%
Lightness96.86%
Dominant channelBlue
Hex per channelR EF · G F3 · B FF

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Every value on this page was computed from “eff3ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.