Recognised as Colour

#57B0DB

#57B0DB
Cyan
Dark
Nearest: Light skyblue

#57B0DB is a cyan with RGB values 87, 176, 219 and HSL 200°, 65%, 60%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#57B0DB#57B0DB

HEX#57B0DB

RGBrgb(87, 176, 219)

RGB (0–1)0.3412, 0.6902, 0.8588

RGB percentages34.1%, 69%, 85.9%

HSLhsl(199.5, 64.7%, 60%)

HSV / HSBhsv(199.5, 60.3%, 85.9%)

CMYK60.3%, 19.6%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,746,907

CSS custom property--colour: #57B0DB;

Brightness & contrast

Relative luminance0.38191WCAG 2.x, 0 is black and 1 is white

Perceived brightness161 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.64:1

Contrast with white2.43:1WCAG normal text: Fail

Contrast with black8.64:1WCAG normal text: AAA

Greyscale equivalent#A0A0A0

Inverted#A84F24

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#9BAEDDno red cones; affects about 1% of men; ΔE 18.8 from the original

Deuteranopia#88A0DAno green cones; the most common form, about 1% of men; ΔE 20.2 from the original

Tritanopia#00BCBEno blue cones; rare, and affects men and women equally; ΔE 29.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.43:1WCAG large text: Fail

Contrast with black, large text8.64:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 12.1 Sky blue · ΔE 13.9 Deep skyblue · ΔE 14.1 Steel blue · ΔE 18.8 Light steelblue · ΔE 21.9 Cadetblue · ΔE 24

Nearest named CSS colourLight skyblue (#87CEFA)ΔE 12.06, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DB8257

Analogous#57DBC4, #576EDB

Triadic#DB57B0, #B0DB57

Split complementary#DB576E, #DBC457

Tetradic#C457DB, #DB8257, #6EDB57

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#D5EBF6

Lighter +20%#ABD8ED

Lighter +10%#81C4E4

Darker −10%#2D9CD2

Darker −20%#247DA8

Darker −30%#1B5E7E

Darker −40%#123F54

More saturated +25%#3DB9F4

Less saturated −25%#71A7C2

Channel breakdown

R87

G176

B219

Red87 (34.1%)

Green176 (69%)

Blue219 (85.9%)

Hue199.55°

Saturation (HSL)64.71%

Lightness60%

Dominant channelBlue

Hex per channelR 57 · G B0 · B DB

Keep nerding

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

#57B0DB

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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