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Recognised as Colour

#45ACE4

  • #45ACE4
  • Blue
  • Dark
  • Nearest: Deep skyblue

#45ACE4 is a blue with RGB values 69, 172, 228 and HSL 201°, 75%, 58%. It is a dark colour, so black text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#45ACE4#45ACE4
HEX#45ACE4
RGBrgb(69, 172, 228)
RGB (0–1)0.2706, 0.6745, 0.8941
RGB percentages27.1%, 67.5%, 89.4%
HSLhsl(201.1, 74.6%, 58.2%)
HSV / HSBhsv(201.1, 69.7%, 89.4%)
CMYK69.7%, 24.6%, 0%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,566,244
CSS custom property--colour: #45ACE4;

Brightness & contrast

Relative luminance0.36372WCAG 2.x, 0 is black and 1 is white
Perceived brightness157.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.27:1
Contrast with white2.54:1WCAG normal text: Fail
Contrast with black8.27:1WCAG normal text: AAA
Greyscale equivalent#9A9A9A
Inverted#BA531B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#91ABE7no red cones; affects about 1% of men; ΔE 18.2 from the original
Deuteranopia#7C9CE3no green cones; the most common form, about 1% of men; ΔE 19.8 from the original
Tritanopia#00BABFno blue cones; rare, and affects men and women equally; ΔE 33.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.54:1WCAG large text: Fail
Contrast with black, large text8.27:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 9.9Light skyblue · ΔE 15.4Steel blue · ΔE 17Sky blue · ΔE 20.1Cornflower blue · ΔE 25.2Light steelblue · ΔE 26.7
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 9.93, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E47D45
Analogous#45E4CC, #455DE4
Triadic#E445AC, #ACE445
Split complementary#E4455D, #E4CC45
Tetradic#CC45E4, #E47D45, #5DE445

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7FBFE
Lighter +30%#CBE8F7
Lighter +20%#9ED4F1
Lighter +10%#72C0EA
Darker −10%#1F96D7
Darker −20%#1977AA
Darker −30%#12587E
Darker −40%#0C3951
More saturated +25%#2AB4FF
Less saturated −25%#60A4C9

Channel breakdown

R69
G172
B228
Red69 (27.1%)
Green172 (67.5%)
Blue228 (89.4%)
Hue201.13°
Saturation (HSL)74.65%
Lightness58.24%
Dominant channelBlue
Hex per channelR 45 · G AC · B E4

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Every value on this page was computed from “45ace4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.