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Recognised as Colour

#83ACE5

  • #83ACE5
  • Blue
  • Dark
  • Nearest: Light skyblue

#83ACE5 is a blue with RGB values 131, 172, 229 and HSL 215°, 65%, 71%. It is a dark colour, so black text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#83ACE5#83ACE5
HEX#83ACE5
RGBrgb(131, 172, 229)
RGB (0–1)0.5137, 0.6745, 0.898
RGB percentages51.4%, 67.5%, 89.8%
HSLhsl(214.9, 65.3%, 70.6%)
HSV / HSBhsv(214.9, 42.8%, 89.8%)
CMYK42.8%, 24.9%, 0%, 10.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,629,477
CSS custom property--colour: #83ACE5;

Brightness & contrast

Relative luminance0.39987WCAG 2.x, 0 is black and 1 is white
Perceived brightness168.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9:1
Contrast with white2.33:1WCAG normal text: Fail
Contrast with black9:1WCAG normal text: AAA
Greyscale equivalent#A7A7A7
Inverted#7C531A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#97AFE8no red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#8BA5E4no green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#5FB8C0no blue cones; rare, and affects men and women equally; ΔE 32.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.33:1WCAG large text: Fail
Contrast with black, large text9:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 16.1Steel blue · ΔE 17.7Cornflower blue · ΔE 19.9Light steelblue · ΔE 20Deep skyblue · ΔE 21Sky blue · ΔE 21.8
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 16.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E5BC83
Analogous#83DDE5, #8B83E5
Triadic#E583AC, #ACE583
Split complementary#E58B83, #DDE583
Tetradic#E583DD, #E5BC83, #83E58B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#D7E4F7
Lighter +10%#ADC8EE
Darker −10%#5990DC
Darker −20%#2F74D3
Darker −30%#245CAB
Darker −40%#1B4681
More saturated +25%#70A9F8
Less saturated −25%#96AFD2

Channel breakdown

R131
G172
B229
Red131 (51.4%)
Green172 (67.5%)
Blue229 (89.8%)
Hue214.9°
Saturation (HSL)65.33%
Lightness70.59%
Dominant channelBlue
Hex per channelR 83 · G AC · B E5

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Every value on this page was computed from “83ace5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.