Recognised as Colour

#309F8B

#309F8B
Cyan
Dark
Nearest: Light seagreen

#309F8B is a cyan with RGB values 48, 159, 139 and HSL 169°, 54%, 41%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Light seagreen.

Colour values

#309F8B#309F8B

HEX#309F8B

RGBrgb(48, 159, 139)

RGB (0–1)0.1882, 0.6235, 0.5451

RGB percentages18.8%, 62.4%, 54.5%

HSLhsl(169.2, 53.6%, 40.6%)

HSV / HSBhsv(169.2, 69.8%, 62.4%)

CMYK69.8%, 0%, 12.6%, 37.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,186,571

CSS custom property--colour: #309F8B;

Brightness & contrast

Relative luminance0.27289WCAG 2.x, 0 is black and 1 is white

Perceived brightness133.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.46:1

Contrast with white3.25:1WCAG normal text: Fail

Contrast with black6.46:1WCAG normal text: AA

Greyscale equivalent#868686

Inverted#CF6074

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#99958Ano red cones; affects about 1% of men; ΔE 35.6 from the original

Deuteranopia#898A8Dno green cones; the most common form, about 1% of men; ΔE 36.1 from the original

Tritanopia#00A199no blue cones; rare, and affects men and women equally; ΔE 7.4 from the original

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

Contrast with white, large text3.25:1WCAG large text: AA

Contrast with black, large text6.46:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 10.3 Dark cyan · ΔE 13.6 Teal · ΔE 16.3 Medium aquamarine · ΔE 18 Cadetblue · ΔE 18.4 Medium turquoise · ΔE 20.3

Nearest named CSS colourLight seagreen (#20B2AA)ΔE 10.33, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9F3044

Analogous#309F53, #307C9F

Triadic#8B309F, #9F8B30

Split complementary#9F307C, #9F5330

Tetradic#53309F, #9F3044, #7C9F30

Tints, shades & saturation

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

Lighter +40%#B3E8DE

Lighter +30%#8CDCCE

Lighter +20%#65D0BD

Lighter +10%#3DC5AC

Darker −10%#247869

Darker −20%#185147

Darker −30%#0D2924

Darker −40%#010202

More saturated +25%#16B99C

Less saturated −25%#4A857A

Channel breakdown

R48

G159

B139

Red48 (18.8%)

Green159 (62.4%)

Blue139 (54.5%)

Hue169.19°

Saturation (HSL)53.62%

Lightness40.59%

Dominant channelGreen

Hex per channelR 30 · G 9F · B 8B

Keep nerding

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

#309F8B

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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