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Recognised as Colour

#99AEDF

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

#99AEDF is a blue with RGB values 153, 174, 223 and HSL 222°, 52%, 74%. 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

#99AEDF#99AEDF
HEX#99AEDF
RGBrgb(153, 174, 223)
RGB (0–1)0.6, 0.6824, 0.8745
RGB percentages60%, 68.2%, 87.5%
HSLhsl(222, 52.2%, 73.7%)
HSV / HSBhsv(222, 31.4%, 87.5%)
CMYK31.4%, 22%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,071,775
CSS custom property--colour: #99AEDF;

Brightness & contrast

Relative luminance0.42372WCAG 2.x, 0 is black and 1 is white
Perceived brightness174.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.47:1
Contrast with white2.22:1WCAG normal text: Fail
Contrast with black9.47:1WCAG normal text: AAA
Greyscale equivalent#ADADAD
Inverted#665120

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9EB2E1no red cones; affects about 1% of men; ΔE 1.9 from the original
Deuteranopia#98ABDEno green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#85B8BFno blue cones; rare, and affects men and women equally; ΔE 26.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.22:1WCAG large text: Fail
Contrast with black, large text9.47:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 14.9Light skyblue · ΔE 17.2Steel blue · ΔE 21Sky blue · ΔE 21.3Thistle · ΔE 21.9Light slate grey · ΔE 22.9
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 14.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DFCA99
Analogous#99D1DF, #A799DF
Triadic#DF99AE, #AEDF99
Split complementary#DFA799, #D1DF99
Tetradic#DF99D1, #DFCA99, #99DFA7

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E7ECF7
Lighter +10%#C0CDEB
Darker −10%#728FD3
Darker −20%#4B70C7
Darker −30%#3558AA
Darker −40%#294483
More saturated +25%#88A7F0
Less saturated −25%#AAB5CE

Channel breakdown

R153
G174
B223
Red153 (60%)
Green174 (68.2%)
Blue223 (87.5%)
Hue222°
Saturation (HSL)52.24%
Lightness73.73%
Dominant channelBlue
Hex per channelR 99 · G AE · B DF

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