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Colour

#45B8CC

  • #45B8CC
  • Cyan
  • Dark
  • Nearest: Sky blue

#45B8CC is a cyan with RGB values 69, 184, 204 and HSL 189°, 57%, 54%. It is a dark colour, so black text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#45B8CC#45B8CC
HEX#45B8CC
RGBrgb(69, 184, 204)
RGB (0–1)0.2706, 0.7216, 0.8
RGB percentages27.1%, 72.2%, 80%
HSLhsl(188.9, 57%, 53.5%)
HSV / HSBhsv(188.9, 66.2%, 80%)
CMYK66.2%, 9.8%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,569,292
CSS custom property--colour: #45B8CC;

Brightness & contrast

Relative luminance0.39906WCAG 2.x, 0 is black and 1 is white
Perceived brightness161.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.98:1
Contrast with white2.34:1WCAG normal text: Fail
Contrast with black8.98:1WCAG normal text: AAA
Greyscale equivalent#A1A1A1
Inverted#BA4733

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A8B2CDno red cones; affects about 1% of men; ΔE 28.6 from the original
Deuteranopia#94A3CCno green cones; the most common form, about 1% of men; ΔE 30.1 from the original
Tritanopia#00C1BEno blue cones; rare, and affects men and women equally; ΔE 17.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.34:1WCAG large text: Fail
Contrast with black, large text8.98:1WCAG large text: AAA

Named colours

Sky blue · ΔE 14.8Cadetblue · ΔE 15.9Dark turquoise · ΔE 16.5Medium turquoise · ΔE 17.8Light seagreen · ΔE 18Light skyblue · ΔE 20.3
Nearest named CSS colourSky blue (#87CEEB)ΔE 14.83, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CC5945
Analogous#45CC9D, #4574CC
Triadic#CC45B8, #B8CC45
Split complementary#CC4574, #CC9D45
Tetradic#9D45CC, #CC5945, #74CC45

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5F5F8
Lighter +30%#BDE6ED
Lighter +20%#95D7E2
Lighter +10%#6DC7D7
Darker −10%#309BAE
Darker −20%#257886
Darker −30%#1A545E
Darker −40%#0F3036
More saturated +25%#27CDEA
Less saturated −25%#63A3AE

Channel breakdown

R69
G184
B204
Red69 (27.1%)
Green184 (72.2%)
Blue204 (80%)
Hue188.89°
Saturation (HSL)56.96%
Lightness53.53%
Dominant channelBlue
Hex per channelR 45 · G B8 · B CC

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Every value on this page was computed from “45b8cc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.