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Recognised as Colour

#90B5ED

  • #90B5ED
  • Blue
  • Dark
  • Nearest: Light skyblue

#90B5ED is a blue with RGB values 144, 181, 237 and HSL 216°, 72%, 75%. It is a dark colour, so black text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#90B5ED#90B5ED
HEX#90B5ED
RGBrgb(144, 181, 237)
RGB (0–1)0.5647, 0.7098, 0.9294
RGB percentages56.5%, 71%, 92.9%
HSLhsl(216.1, 72.1%, 74.7%)
HSV / HSBhsv(216.1, 39.2%, 92.9%)
CMYK39.2%, 23.6%, 0%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,483,757
CSS custom property--colour: #90B5ED;

Brightness & contrast

Relative luminance0.45091WCAG 2.x, 0 is black and 1 is white
Perceived brightness178.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.02:1
Contrast with white2.1:1WCAG normal text: Fail
Contrast with black10.02:1WCAG normal text: AAA
Greyscale equivalent#B1B1B1
Inverted#6F4A12

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A1B8F0no red cones; affects about 1% of men; ΔE 4.5 from the original
Deuteranopia#96AFECno green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#70C1C8no blue cones; rare, and affects men and women equally; ΔE 31.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.1:1WCAG large text: Fail
Contrast with black, large text10.02:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 14.3Light steelblue · ΔE 17.8Sky blue · ΔE 20.3Steel blue · ΔE 21.2Deep skyblue · ΔE 21.8Cornflower blue · ΔE 22.1
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 14.33, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EDC890
Analogous#90E4ED, #9A90ED
Triadic#ED90B5, #B5ED90
Split complementary#ED9A90, #E4ED90
Tetradic#ED90E3, #EDC890, #90ED9A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E8F0FB
Lighter +10%#BCD2F4
Darker −10%#6498E6
Darker −20%#387ADF
Darker −30%#2061C4
Darker −40%#194B98
More saturated +25%#80B2FD
Less saturated −25%#A0B8DD

Channel breakdown

R144
G181
B237
Red144 (56.5%)
Green181 (71%)
Blue237 (92.9%)
Hue216.13°
Saturation (HSL)72.09%
Lightness74.71%
Dominant channelBlue
Hex per channelR 90 · G B5 · B ED

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Every value on this page was computed from “90b5ed” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.