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Recognised as Colour

#45C9FF

  • #45C9FF
  • Cyan
  • Light
  • Nearest: Deep skyblue

#45C9FF is a cyan with RGB values 69, 201, 255 and HSL 197°, 100%, 64%. It is a light colour, so black text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#45C9FF#45C9FF
HEX#45C9FF
RGBrgb(69, 201, 255)
RGB (0–1)0.2706, 0.7882, 1
RGB percentages27.1%, 78.8%, 100%
HSLhsl(197.4, 100%, 63.5%)
HSV / HSBhsv(197.4, 72.9%, 100%)
CMYK72.9%, 21.2%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,573,695
CSS custom property--colour: #45C9FF;

Brightness & contrast

Relative luminance0.50258WCAG 2.x, 0 is black and 1 is white
Perceived brightness180.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.05:1
Contrast with white1.9:1WCAG normal text: Fail
Contrast with black11.05:1WCAG normal text: AAA
Greyscale equivalent#B1B1B1
Inverted#BA3600

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ADC6FFno red cones; affects about 1% of men; ΔE 24.1 from the original
Deuteranopia#94B4FEno green cones; the most common form, about 1% of men; ΔE 26.4 from the original
Tritanopia#00D8DBno blue cones; rare, and affects men and women equally; ΔE 32.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.9:1WCAG large text: Fail
Contrast with black, large text11.05:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 6.9Light skyblue · ΔE 11.8Sky blue · ΔE 16.2Light blue · ΔE 27.5Light steelblue · ΔE 27.7Steel blue · ΔE 28.2
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 6.92, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF7B45
Analogous#45FFD8, #456CFF
Triadic#FF45C9, #C9FF45
Split complementary#FF456C, #FFD845
Tetradic#D845FF, #FF7B45, #6CFF45

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DEF5FF
Lighter +20%#ABE7FF
Lighter +10%#78D8FF
Darker −10%#12BAFF
Darker −20%#009EDE
Darker −30%#0079AB
Darker −40%#005578
More saturated +25%#45C9FF
Less saturated −25%#5CBFE8

Channel breakdown

R69
G201
B255
Red69 (27.1%)
Green201 (78.8%)
Blue255 (100%)
Hue197.42°
Saturation (HSL)100%
Lightness63.53%
Dominant channelBlue
Hex per channelR 45 · G C9 · B FF

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Every value on this page was computed from “45c9ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.