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Recognised as Colour

#90AAEF

  • #90AAEF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#90AAEF is a blue with RGB values 144, 170, 239 and HSL 224°, 75%, 75%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#90AAEF#90AAEF
HEX#90AAEF
RGBrgb(144, 170, 239)
RGB (0–1)0.5647, 0.6667, 0.9373
RGB percentages56.5%, 66.7%, 93.7%
HSLhsl(223.6, 74.8%, 75.1%)
HSV / HSBhsv(223.6, 39.7%, 93.7%)
CMYK39.7%, 28.9%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,480,943
CSS custom property--colour: #90AAEF;

Brightness & contrast

Relative luminance0.40911WCAG 2.x, 0 is black and 1 is white
Perceived brightness172.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.18:1
Contrast with white2.29:1WCAG normal text: Fail
Contrast with black9.18:1WCAG normal text: AAA
Greyscale equivalent#A9A9A9
Inverted#6F5510

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#92B0F2no red cones; affects about 1% of men; ΔE 3 from the original
Deuteranopia#89A8EDno green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#71B8C2no blue cones; rare, and affects men and women equally; ΔE 37.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.29:1WCAG large text: Fail
Contrast with black, large text9.18:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 14.5Steel blue · ΔE 22Light skyblue · ΔE 22.9Light steelblue · ΔE 25.4Deep skyblue · ΔE 26.3Dodgerblue · ΔE 28.2
Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.53, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EFD590
Analogous#90DAEF, #A690EF
Triadic#EF90AA, #AAEF90
Split complementary#EFA590, #DAEF90
Tetradic#EF90DA, #EFD590, #90EFA5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E9EEFC
Lighter +10%#BDCCF5
Darker −10%#6388E9
Darker −20%#3766E2
Darker −30%#1D4CC9
Darker −40%#173B9C
More saturated +25%#80A3FF
Less saturated −25%#A0B1DF

Channel breakdown

R144
G170
B239
Red144 (56.5%)
Green170 (66.7%)
Blue239 (93.7%)
Hue223.58°
Saturation (HSL)74.8%
Lightness75.1%
Dominant channelBlue
Hex per channelR 90 · G AA · B EF

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Every value on this page was computed from “90aaef” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.