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Colour

#B9DEF9

  • #B9DEF9
  • Blue
  • Light
  • Nearest: Light blue

#B9DEF9 is a blue with RGB values 185, 222, 249 and HSL 205°, 84%, 85%. It is a light colour, so black text on it reaches 14.9:1 contrast (AAA for normal text). The nearest named colour is Light blue.

Colour values

#B9DEF9#B9DEF9
HEX#B9DEF9
RGBrgb(185, 222, 249)
RGB (0–1)0.7255, 0.8706, 0.9765
RGB percentages72.5%, 87.1%, 97.6%
HSLhsl(205.3, 84.2%, 85.1%)
HSV / HSBhsv(205.3, 25.7%, 97.6%)
CMYK25.7%, 10.8%, 0%, 2.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,181,241
CSS custom property--colour: #B9DEF9;

Brightness & contrast

Relative luminance0.69396WCAG 2.x, 0 is black and 1 is white
Perceived brightness215 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.88:1
Contrast with white1.41:1WCAG normal text: Fail
Contrast with black14.88:1WCAG normal text: AAA
Greyscale equivalent#D8D8D8
Inverted#462106

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D3DDFAno red cones; affects about 1% of men; ΔE 8.9 from the original
Deuteranopia#CAD6F9no green cones; the most common form, about 1% of men; ΔE 9.4 from the original
Tritanopia#A6E5E7no blue cones; rare, and affects men and women equally; ΔE 16.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.41:1WCAG large text: Fail
Contrast with black, large text14.88:1WCAG large text: AAA

Named colours

Light blue · ΔE 7.9Light steelblue · ΔE 9.8Powder blue · ΔE 12.1Sky blue · ΔE 12.2Lavender · ΔE 13.4Light skyblue · ΔE 14.1
Nearest named CSS colourLight blue (#ADD8E6)ΔE 7.89, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F9D4B9
Analogous#B9F9F4, #B9BEF9
Triadic#F9B9DE, #DEF9B9
Split complementary#F9B9BE, #F9F4B9
Tetradic#F4B9F9, #F9D4B9, #BEF9B9

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#E8F4FD
Darker −10%#8AC8F5
Darker −20%#5BB2F1
Darker −30%#2C9CED
Darker −40%#1282D4
More saturated +25%#B3DFFF
Less saturated −25%#C3DDEF

Channel breakdown

R185
G222
B249
Red185 (72.5%)
Green222 (87.1%)
Blue249 (97.6%)
Hue205.31°
Saturation (HSL)84.21%
Lightness85.1%
Dominant channelBlue
Hex per channelR B9 · G DE · B F9

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Every value on this page was computed from “b9def9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.