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Recognised as Colour

#EFF3FA

  • #EFF3FA
  • Blue
  • Light
  • Nearest: Alice blue

#EFF3FA is a blue with RGB values 239, 243, 250 and HSL 218°, 52%, 96%. 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

#EFF3FA#EFF3FA
HEX#EFF3FA
RGBrgb(239, 243, 250)
RGB (0–1)0.9373, 0.9529, 0.9804
RGB percentages93.7%, 95.3%, 98%
HSLhsl(218.2, 52.4%, 95.9%)
HSV / HSBhsv(218.2, 4.4%, 98%)
CMYK4.4%, 2.8%, 0%, 2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,725,562
CSS custom property--colour: #EFF3FA;

Brightness & contrast

Relative luminance0.89354WCAG 2.x, 0 is black and 1 is white
Perceived brightness242.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 18.87:1
Contrast with white1.11:1WCAG normal text: Fail
Contrast with black18.87:1WCAG normal text: AAA
Greyscale equivalent#F3F3F3
Inverted#100C05

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F1F3FAno red cones; affects about 1% of men; ΔE 0.7 from the original
Deuteranopia#F0F2FAno green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#EDF4F5no blue cones; rare, and affects men and women equally; ΔE 3.3 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 text18.87:1WCAG large text: AAA

Named colours

Alice blue · ΔE 2Ghost white · ΔE 2.5White smoke · ΔE 3.9Snow · ΔE 5.6White · ΔE 5.7Azure · ΔE 6.2
Nearest named CSS colourAlice blue (#F0F8FF)ΔE 1.99, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FAF6EF
Analogous#EFF8FA, #F1EFFA
Triadic#FAEFF3, #F3FAEF
Split complementary#FAF1EF, #F8FAEF
Tetradic#FAEFF8, #FAF6EF, #EFFAF1

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%#C8D6EE
Darker −20%#A1B9E2
Darker −30%#7A9CD6
Darker −40%#547EC9
More saturated +25%#ECF2FD
Less saturated −25%#F2F4F7

Channel breakdown

R239
G243
B250
Red239 (93.7%)
Green243 (95.3%)
Blue250 (98%)
Hue218.18°
Saturation (HSL)52.38%
Lightness95.88%
Dominant channelBlue
Hex per channelR EF · G F3 · B FA

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Every value on this page was computed from “eff3fa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.