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Recognised as Colour

#DDF3FF

  • #DDF3FF
  • Blue
  • Light
  • Nearest: Alice blue

#DDF3FF is a blue with RGB values 221, 243, 255 and HSL 201°, 100%, 93%. It is a light colour, so black text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Alice blue.

Colour values

#DDF3FF#DDF3FF
HEX#DDF3FF
RGBrgb(221, 243, 255)
RGB (0–1)0.8667, 0.9529, 1
RGB percentages86.7%, 95.3%, 100%
HSLhsl(201.2, 100%, 93.3%)
HSV / HSBhsv(201.2, 13.3%, 100%)
CMYK13.3%, 4.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,545,919
CSS custom property--colour: #DDF3FF;

Brightness & contrast

Relative luminance0.86693WCAG 2.x, 0 is black and 1 is white
Perceived brightness238.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 18.34:1
Contrast with white1.15:1WCAG normal text: Fail
Contrast with black18.34:1WCAG normal text: AAA
Greyscale equivalent#EFEFEF
Inverted#220C00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#EDF2FFno red cones; affects about 1% of men; ΔE 5.8 from the original
Deuteranopia#E8EEFFno green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#D4F6F7no blue cones; rare, and affects men and women equally; ΔE 7.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.15:1WCAG large text: Fail
Contrast with black, large text18.34:1WCAG large text: AAA

Named colours

Alice blue · ΔE 5.9Light cyan · ΔE 7.7Azure · ΔE 7.8Ghost white · ΔE 8.4Lavender · ΔE 9.1White smoke · ΔE 9.7
Nearest named CSS colourAlice blue (#F0F8FF)ΔE 5.86, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFE9DD
Analogous#DDFFFA, #DDE2FF
Triadic#FFDDF3, #F3FFDD
Split complementary#FFDDE2, #FFFADD
Tetradic#FADDFF, #FFE9DD, #E2FFDD

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%#AAE1FF
Darker −20%#77CFFF
Darker −30%#44BDFF
Darker −40%#11ABFF
More saturated +25%#DDF3FF
Less saturated −25%#E1F2FB

Channel breakdown

R221
G243
B255
Red221 (86.7%)
Green243 (95.3%)
Blue255 (100%)
Hue201.18°
Saturation (HSL)100%
Lightness93.33%
Dominant channelBlue
Hex per channelR DD · G F3 · B FF

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Every value on this page was computed from “ddf3ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.