Colour

#1BB3DF

#1BB3DF
Cyan
Dark
Nearest: Deep skyblue

#1BB3DF is a cyan with RGB values 27, 179, 223 and HSL 193°, 78%, 49%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#1BB3DF#1BB3DF

HEX#1BB3DF

RGBrgb(27, 179, 223)

RGB (0–1)0.1059, 0.702, 0.8745

RGB percentages10.6%, 70.2%, 87.5%

HSLhsl(193.5, 78.4%, 49%)

HSV / HSBhsv(193.5, 87.9%, 87.5%)

CMYK87.9%, 19.7%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,815,519

CSS custom property--colour: #1BB3DF;

Brightness & contrast

Relative luminance0.37801WCAG 2.x, 0 is black and 1 is white

Perceived brightness157.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.56:1

Contrast with white2.45:1WCAG normal text: Fail

Contrast with black8.56:1WCAG normal text: AAA

Greyscale equivalent#969696

Inverted#E44C20

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#9AAFE1no red cones; affects about 1% of men; ΔE 26.5 from the original

Deuteranopia#829EDEno green cones; the most common form, about 1% of men; ΔE 28.3 from the original

Tritanopia#00C0C1no blue cones; rare, and affects men and women equally; ΔE 26.8 from the original

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

Contrast with white, large text2.45:1WCAG large text: Fail

Contrast with black, large text8.56:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 11.8 Light skyblue · ΔE 16.4 Sky blue · ΔE 17.2 Steel blue · ΔE 23.3 Cadetblue · ΔE 26 Dark turquoise · ΔE 27.5

Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 11.79, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DF471B

Analogous#1BDFA9, #1B51DF

Triadic#DF1BB3, #B3DF1B

Split complementary#DF1B51, #DFA91B

Tetradic#A91BDF, #DF471B, #51DF1B

Tints, shades & saturation

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

Lighter +40%#CDEFF9

Lighter +30%#A0E1F3

Lighter +20%#72D2EE

Lighter +10%#45C4E8

Darker −10%#158EB2

Darker −20%#106A84

Darker −30%#0A4557

Darker −40%#052129

More saturated +25%#00C2FA

Less saturated −25%#3AA2C0

Channel breakdown

R27

G179

B223

Red27 (10.6%)

Green179 (70.2%)

Blue223 (87.5%)

Hue193.47°

Saturation (HSL)78.4%

Lightness49.02%

Dominant channelBlue

Hex per channelR 1B · G B3 · B DF

Keep nerding

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

#1BB3DF

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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