Recognised as Colour

#01C9EA

#01C9EA
Cyan
Dark
Nearest: Sky blue

#01C9EA is a cyan with RGB values 1, 201, 234 and HSL 188°, 99%, 46%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#01C9EA#01C9EA

HEX#01C9EA

RGBrgb(1, 201, 234)

RGB (0–1)0.0039, 0.7882, 0.9176

RGB percentages0.4%, 78.8%, 91.8%

HSLhsl(188.5, 99.1%, 46.1%)

HSV / HSBhsv(188.5, 99.6%, 91.8%)

CMYK99.6%, 14.1%, 0%, 8.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer117,226

CSS custom property--colour: #01C9EA;

Brightness & contrast

Relative luminance0.4772WCAG 2.x, 0 is black and 1 is white

Perceived brightness173.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.54:1

Contrast with white1.99:1WCAG normal text: Fail

Contrast with black10.54:1WCAG normal text: AAA

Greyscale equivalent#A1A1A1

Inverted#FE3615

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B2C2ECno red cones; affects about 1% of men; ΔE 34 from the original

Deuteranopia#98B0EAno green cones; the most common form, about 1% of men; ΔE 35.6 from the original

Tritanopia#00D5D3no blue cones; rare, and affects men and women equally; ΔE 21.1 from the original

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

Contrast with white, large text1.99:1WCAG large text: Fail

Contrast with black, large text10.54:1WCAG large text: AAA

Named colours

Sky blue · ΔE 17 Dark turquoise · ΔE 17.7 Deep skyblue · ΔE 19.1 Light skyblue · ΔE 19.7 Medium turquoise · ΔE 21.1 Light seagreen · ΔE 24.6

Nearest named CSS colourSky blue (#87CEEB)ΔE 17.02, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#EA2201

Analogous#01EA97, #0154EA

Triadic#EA01C9, #C9EA01

Split complementary#EA0154, #EA9701

Tetradic#9701EA, #EA2201, #54EA01

Tints, shades & saturation

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

Lighter +40%#B8F5FF

Lighter +30%#86EDFE

Lighter +20%#53E6FE

Lighter +10%#20DFFE

Darker −10%#019DB7

Darker −20%#017284

Darker −30%#004652

Darker −40%#001B1F

More saturated +25%#00CAEB

Less saturated −25%#1EB4CD

Channel breakdown

G201

B234

Red1 (0.4%)

Green201 (78.8%)

Blue234 (91.8%)

Hue188.5°

Saturation (HSL)99.15%

Lightness46.08%

Dominant channelBlue

Hex per channelR 01 · G C9 · B EA

Keep nerding

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

#01C9EA

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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