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Recognised as Colour

#99AEE3

  • #99AEE3
  • Blue
  • Dark
  • Nearest: Light steelblue

#99AEE3 is a blue with RGB values 153, 174, 227 and HSL 223°, 57%, 75%. It is a dark colour, so black text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#99AEE3#99AEE3
HEX#99AEE3
RGBrgb(153, 174, 227)
RGB (0–1)0.6, 0.6824, 0.8902
RGB percentages60%, 68.2%, 89%
HSLhsl(223, 56.9%, 74.5%)
HSV / HSBhsv(223, 32.6%, 89%)
CMYK32.6%, 23.3%, 0%, 11%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,071,779
CSS custom property--colour: #99AEE3;

Brightness & contrast

Relative luminance0.4259WCAG 2.x, 0 is black and 1 is white
Perceived brightness175.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.52:1
Contrast with white2.21:1WCAG normal text: Fail
Contrast with black9.52:1WCAG normal text: AAA
Greyscale equivalent#ADADAD
Inverted#66511C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9DB2E5no red cones; affects about 1% of men; ΔE 1.9 from the original
Deuteranopia#96ACE2no green cones; the most common form, about 1% of men; ΔE 1 from the original
Tritanopia#84B9C0no blue cones; rare, and affects men and women equally; ΔE 28.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.21:1WCAG large text: Fail
Contrast with black, large text9.52:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 16.8Light skyblue · ΔE 18Steel blue · ΔE 21.2Sky blue · ΔE 22.8Cornflower blue · ΔE 22.8Thistle · ΔE 23.1
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 16.77, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E3CE99
Analogous#99D3E3, #A999E3
Triadic#E399AE, #AEE399
Split complementary#E3A999, #D3E399
Tetradic#E399D3, #E3CE99, #99E3A9

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E9EEF9
Lighter +10%#C1CEEE
Darker −10%#718ED8
Darker −20%#496ECD
Darker −30%#3156B2
Darker −40%#26428A
More saturated +25%#89A7F3
Less saturated −25%#A9B5D3

Channel breakdown

R153
G174
B227
Red153 (60%)
Green174 (68.2%)
Blue227 (89%)
Hue222.97°
Saturation (HSL)56.92%
Lightness74.51%
Dominant channelBlue
Hex per channelR 99 · G AE · B E3

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Every value on this page was computed from “99aee3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.