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Recognised as Colour

#DDE4ED

  • #DDE4ED
  • Blue
  • Light
  • Nearest: Gainsboro

#DDE4ED is a blue with RGB values 221, 228, 237 and HSL 214°, 31%, 90%. It is a light colour, so black text on it reaches 16.4:1 contrast (AAA for normal text). The nearest named colour is Gainsboro.

Colour values

#DDE4ED#DDE4ED
HEX#DDE4ED
RGBrgb(221, 228, 237)
RGB (0–1)0.8667, 0.8941, 0.9294
RGB percentages86.7%, 89.4%, 92.9%
HSLhsl(213.8, 30.8%, 89.8%)
HSV / HSBhsv(213.8, 6.8%, 92.9%)
CMYK6.8%, 3.8%, 0%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,542,061
CSS custom property--colour: #DDE4ED;

Brightness & contrast

Relative luminance0.76973WCAG 2.x, 0 is black and 1 is white
Perceived brightness227 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.39:1
Contrast with white1.28:1WCAG normal text: Fail
Contrast with black16.39:1WCAG normal text: AAA
Greyscale equivalent#E3E3E3
Inverted#221B12

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E1E4EDno red cones; affects about 1% of men; ΔE 1.4 from the original
Deuteranopia#DFE3EDno green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#D9E6E7no blue cones; rare, and affects men and women equally; ΔE 4.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.28:1WCAG large text: Fail
Contrast with black, large text16.39:1WCAG large text: AAA

Named colours

Gainsboro · ΔE 5.8Lavender · ΔE 6.4Alice blue · ΔE 7Light grey · ΔE 7.8Ghost white · ΔE 7.9White smoke · ΔE 8.1
Nearest named CSS colourGainsboro (#DCDCDC)ΔE 5.81, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EDE6DD
Analogous#DDECED, #DEDDED
Triadic#EDDDE4, #E4EDDD
Split complementary#EDDEDD, #ECEDDD
Tetradic#EDDDEC, #EDE6DD, #DDEDDE

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#FEFEFF
Darker −10%#BCCADB
Darker −20%#9AAFCA
Darker −30%#7995B8
Darker −40%#587AA6
More saturated +25%#D7E3F3
Less saturated −25%#E4E5E7

Channel breakdown

R221
G228
B237
Red221 (86.7%)
Green228 (89.4%)
Blue237 (92.9%)
Hue213.75°
Saturation (HSL)30.77%
Lightness89.8%
Dominant channelBlue
Hex per channelR DD · G E4 · B ED

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Every value on this page was computed from “dde4ed” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.