Colour

#31C1FF

#31C1FF
Cyan
Dark
Nearest: Deep skyblue

#31C1FF is a cyan with RGB values 49, 193, 255 and HSL 198°, 100%, 60%. It is a dark colour, so black text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#31C1FF#31C1FF

HEX#31C1FF

RGBrgb(49, 193, 255)

RGB (0–1)0.1922, 0.7569, 1

RGB percentages19.2%, 75.7%, 100%

HSLhsl(198.1, 100%, 59.6%)

HSV / HSBhsv(198.1, 80.8%, 100%)

CMYK80.8%, 24.3%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,260,927

CSS custom property--colour: #31C1FF;

Brightness & contrast

Relative luminance0.46013WCAG 2.x, 0 is black and 1 is white

Perceived brightness173.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.2:1

Contrast with white2.06:1WCAG normal text: Fail

Contrast with black10.2:1WCAG normal text: AAA

Greyscale equivalent#A7A7A7

Inverted#CE3E00

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A2BFFFno red cones; affects about 1% of men; ΔE 23 from the original

Deuteranopia#87ACFEno green cones; the most common form, about 1% of men; ΔE 25.7 from the original

Tritanopia#00D2D6no blue cones; rare, and affects men and women equally; ΔE 36 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text2.06:1WCAG large text: Fail

Contrast with black, large text10.2:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 2.3 Light skyblue · ΔE 15 Sky blue · ΔE 20.5 Steel blue · ΔE 26 Cornflower blue · ΔE 29.5 Light steelblue · ΔE 30.3

Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 2.25, below the just-noticeable difference

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#FF6F31

Analogous#31FFD6, #315AFF

Triadic#FF31C1, #C1FF31

Split complementary#FF315A, #FFD631

Tetradic#D631FF, #FF6F31, #5AFF31

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FDFEFF

Lighter +30%#CAEFFF

Lighter +20%#97E0FF

Lighter +10%#64D0FF

Darker −10%#00B1FD

Darker −20%#008DCA

Darker −30%#006A97

Darker −40%#004664

More saturated +25%#31C1FF

Less saturated −25%#4BB7E5

Channel breakdown

R49

G193

B255

Red49 (19.2%)

Green193 (75.7%)

Blue255 (100%)

Hue198.06°

Saturation (HSL)100%

Lightness59.61%

Dominant channelBlue

Hex per channelR 31 · G C1 · B FF

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#31C1FF

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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