Colour

#557E7A

#557E7A
Cyan
Dark
Nearest: Cadetblue

#557E7A is a cyan with RGB values 85, 126, 122 and HSL 174°, 19%, 41%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#557E7A#557E7A

HEX#557E7A

RGBrgb(85, 126, 122)

RGB (0–1)0.3333, 0.4941, 0.4784

RGB percentages33.3%, 49.4%, 47.8%

HSLhsl(174.1, 19.4%, 41.4%)

HSV / HSBhsv(174.1, 32.5%, 49.4%)

CMYK32.5%, 0%, 3.2%, 50.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,602,938

CSS custom property--colour: #557E7A;

Brightness & contrast

Relative luminance0.18258WCAG 2.x, 0 is black and 1 is white

Perceived brightness114.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.65:1

Contrast with white4.51:1WCAG normal text: AA

Contrast with black4.65:1WCAG normal text: AA

Greyscale equivalent#757575

Inverted#AA8185

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7A7A7Ano red cones; affects about 1% of men; ΔE 15.4 from the original

Deuteranopia#72747Bno green cones; the most common form, about 1% of men; ΔE 16 from the original

Tritanopia#47807Dno blue cones; rare, and affects men and women equally; ΔE 4.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.51:1WCAG large text: AAA

Contrast with black, large text4.65:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 13.2 Teal · ΔE 15.1 Slate grey · ΔE 15.7 Gray · ΔE 15.8 Dim grey · ΔE 16.3 Light slate grey · ΔE 16.7

Nearest named CSS colourCadetblue (#5F9EA0)ΔE 13.22, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7E5559

Analogous#557E65, #556E7E

Triadic#7A557E, #7E7A55

Split complementary#7E556E, #7E6555

Tetradic#65557E, #7E5559, #6E7E55

Tints, shades & saturation

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

Lighter +40%#C6D9D7

Lighter +30%#A8C4C1

Lighter +20%#89B0AC

Lighter +10%#6B9B96

Darker −10%#40605D

Darker −20%#2C413F

Darker −30%#172322

Darker −40%#030404

More saturated +25%#3B988F

Less saturated −25%#6A6A6A

Channel breakdown

R85

G126

B122

Red85 (33.3%)

Green126 (49.4%)

Blue122 (47.8%)

Hue174.15°

Saturation (HSL)19.43%

Lightness41.37%

Dominant channelGreen

Hex per channelR 55 · G 7E · B 7A

Keep nerding

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

#557E7A

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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