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Recognised as Colour

#83AACD

  • #83AACD
  • Blue
  • Dark
  • Nearest: Light steelblue

#83AACD is a blue with RGB values 131, 170, 205 and HSL 208°, 43%, 66%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#83AACD#83AACD
HEX#83AACD
RGBrgb(131, 170, 205)
RGB (0–1)0.5137, 0.6667, 0.8039
RGB percentages51.4%, 66.7%, 80.4%
HSLhsl(208.4, 42.5%, 65.9%)
HSV / HSBhsv(208.4, 36.1%, 80.4%)
CMYK36.1%, 17.1%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,628,941
CSS custom property--colour: #83AACD;

Brightness & contrast

Relative luminance0.37983WCAG 2.x, 0 is black and 1 is white
Perceived brightness164 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.6:1
Contrast with white2.44:1WCAG normal text: Fail
Contrast with black8.6:1WCAG normal text: AAA
Greyscale equivalent#A4A4A4
Inverted#7C5532

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9CAACFno red cones; affects about 1% of men; ΔE 8.2 from the original
Deuteranopia#93A2CCno green cones; the most common form, about 1% of men; ΔE 9 from the original
Tritanopia#6AB2B5no blue cones; rare, and affects men and women equally; ΔE 21.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.44:1WCAG large text: Fail
Contrast with black, large text8.6:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 12.9Light skyblue · ΔE 14.8Sky blue · ΔE 15.2Light slate grey · ΔE 16.5Steel blue · ΔE 18.6Slate grey · ΔE 19.2
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 12.9, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CDA683
Analogous#83CDCB, #8385CD
Triadic#CD83AA, #AACD83
Split complementary#CD8385, #CDCB83
Tetradic#CB83CD, #CDA683, #85CD83

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F0F5F9
Lighter +20%#CCDCEA
Lighter +10%#A7C3DC
Darker −10%#5F91BE
Darker −20%#4378A7
Darker −30%#355E82
Darker −40%#26445E
More saturated +25%#6DABE3
Less saturated −25%#99A9B7

Channel breakdown

R131
G170
B205
Red131 (51.4%)
Green170 (66.7%)
Blue205 (80.4%)
Hue208.38°
Saturation (HSL)42.53%
Lightness65.88%
Dominant channelBlue
Hex per channelR 83 · G AA · B CD

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Every value on this page was computed from “83aacd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.