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Colour

#42C1FC

  • #42C1FC
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#42C1FC is a cyan with RGB values 66, 193, 252 and HSL 199°, 97%, 62%. It is a dark colour, so black text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#42C1FC#42C1FC
HEX#42C1FC
RGBrgb(66, 193, 252)
RGB (0–1)0.2588, 0.7569, 0.9882
RGB percentages25.9%, 75.7%, 98.8%
HSLhsl(199, 96.9%, 62.4%)
HSV / HSBhsv(199, 73.8%, 98.8%)
CMYK73.8%, 23.4%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,375,036
CSS custom property--colour: #42C1FC;

Brightness & contrast

Relative luminance0.46326WCAG 2.x, 0 is black and 1 is white
Perceived brightness174.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.27:1
Contrast with white2.05:1WCAG normal text: Fail
Contrast with black10.27:1WCAG normal text: AAA
Greyscale equivalent#AAAAAA
Inverted#BD3E03

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A4BFFFno red cones; affects about 1% of men; ΔE 22.4 from the original
Deuteranopia#8BADFBno green cones; the most common form, about 1% of men; ΔE 24.5 from the original
Tritanopia#00D1D5no blue cones; rare, and affects men and women equally; ΔE 35 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.05:1WCAG large text: Fail
Contrast with black, large text10.27:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 4.2Light skyblue · ΔE 13Sky blue · ΔE 18.6Steel blue · ΔE 25.2Light steelblue · ΔE 28.2Cornflower blue · ΔE 29.5
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 4.23, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FC7D42
Analogous#42FCDA, #4264FC
Triadic#FC42C1, #C1FC42
Split complementary#FC4264, #FCDA42
Tetradic#DA42FC, #FC7D42, #64FC42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D9F2FE
Lighter +20%#A6E2FE
Lighter +10%#74D1FD
Darker −10%#10B1FB
Darker −20%#0392D5
Darker −30%#0370A2
Darker −40%#024D70
More saturated +25%#3FC2FF
Less saturated −25%#5AB8E4

Channel breakdown

R66
G193
B252
Red66 (25.9%)
Green193 (75.7%)
Blue252 (98.8%)
Hue199.03°
Saturation (HSL)96.88%
Lightness62.35%
Dominant channelBlue
Hex per channelR 42 · G C1 · B FC

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Every value on this page was computed from “42c1fc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.