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Recognised as Colour

#99A5DA

  • #99A5DA
  • Blue
  • Dark
  • Nearest: Light steelblue

#99A5DA is a blue with RGB values 153, 165, 218 and HSL 229°, 47%, 73%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#99A5DA#99A5DA
HEX#99A5DA
RGBrgb(153, 165, 218)
RGB (0–1)0.6, 0.6471, 0.8549
RGB percentages60%, 64.7%, 85.5%
HSLhsl(228.9, 46.8%, 72.7%)
HSV / HSBhsv(228.9, 29.8%, 85.5%)
CMYK29.8%, 24.3%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,069,466
CSS custom property--colour: #99A5DA;

Brightness & contrast

Relative luminance0.38745WCAG 2.x, 0 is black and 1 is white
Perceived brightness168.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.75:1
Contrast with white2.4:1WCAG normal text: Fail
Contrast with black8.75:1WCAG normal text: AAA
Greyscale equivalent#A6A6A6
Inverted#665A25

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#95AADCno red cones; affects about 1% of men; ΔE 3.7 from the original
Deuteranopia#90A5D9no green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#88AFB7no blue cones; rare, and affects men and women equally; ΔE 27.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.4:1WCAG large text: Fail
Contrast with black, large text8.75:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 18.7Steel blue · ΔE 20.4Light skyblue · ΔE 21.7Cornflower blue · ΔE 22.2Thistle · ΔE 22.9Light slate grey · ΔE 23.5
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 18.7, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DACE99
Analogous#99C6DA, #AD99DA
Triadic#DA99A5, #A5DA99
Split complementary#DAAD99, #C6DA99
Tetradic#DA99C6, #DACE99, #99DAAD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E4E7F5
Lighter +10%#BEC6E8
Darker −10%#7484CC
Darker −20%#4E63BF
Darker −30%#3A4DA0
Darker −40%#2C3B7B
More saturated +25%#889AEB
Less saturated −25%#AAB0C9

Channel breakdown

R153
G165
B218
Red153 (60%)
Green165 (64.7%)
Blue218 (85.5%)
Hue228.92°
Saturation (HSL)46.76%
Lightness72.75%
Dominant channelBlue
Hex per channelR 99 · G A5 · B DA

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Every value on this page was computed from “99a5da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.