Recognised as Colour

#159EBB

#159EBB
Cyan
Dark
Nearest: Cadetblue

#159EBB is a cyan with RGB values 21, 158, 187 and HSL 190°, 80%, 41%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#159EBB#159EBB

HEX#159EBB

RGBrgb(21, 158, 187)

RGB (0–1)0.0824, 0.6196, 0.7333

RGB percentages8.2%, 62%, 73.3%

HSLhsl(190.5, 79.8%, 40.8%)

HSV / HSBhsv(190.5, 88.8%, 73.3%)

CMYK88.8%, 15.5%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,416,891

CSS custom property--colour: #159EBB;

Brightness & contrast

Relative luminance0.28201WCAG 2.x, 0 is black and 1 is white

Perceived brightness137 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.64:1

Contrast with white3.16:1WCAG normal text: Fail

Contrast with black6.64:1WCAG normal text: AA

Greyscale equivalent#838383

Inverted#EA6144

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8B99BDno red cones; affects about 1% of men; ΔE 26.9 from the original

Deuteranopia#778ABBno green cones; the most common form, about 1% of men; ΔE 28.8 from the original

Tritanopia#00A8A7no blue cones; rare, and affects men and women equally; ΔE 19.3 from the original

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

Contrast with white, large text3.16:1WCAG large text: AA

Contrast with black, large text6.64:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 17.5 Dark cyan · ΔE 18.9 Teal · ΔE 20.7 Sky blue · ΔE 21.1 Steel blue · ΔE 22 Deep skyblue · ΔE 22.6

Nearest named CSS colourCadetblue (#5F9EA0)ΔE 17.46, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BB3215

Analogous#15BB85, #154BBB

Triadic#BB159E, #9EBB15

Split complementary#BB154B, #BB8515

Tetradic#8515BB, #BB3215, #4BBB15

Tints, shades & saturation

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

Lighter +40%#A7E7F5

Lighter +30%#79DBF0

Lighter +20%#4BCFEB

Lighter +10%#1DC3E6

Darker −10%#10778D

Darker −20%#0B515F

Darker −30%#062A31

Darker −40%#000304

More saturated +25%#00ACD0

Less saturated −25%#2F8DA1

Channel breakdown

R21

G158

B187

Red21 (8.2%)

Green158 (62%)

Blue187 (73.3%)

Hue190.48°

Saturation (HSL)79.81%

Lightness40.78%

Dominant channelBlue

Hex per channelR 15 · G 9E · B BB

Keep nerding

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

#159EBB

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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