Colour

#33656A

#33656A
Cyan
Dark
Nearest: Dark slate grey

#33656A is a cyan with RGB values 51, 101, 106 and HSL 185°, 35%, 31%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#33656A#33656A

HEX#33656A

RGBrgb(51, 101, 106)

RGB (0–1)0.2, 0.3961, 0.4157

RGB percentages20%, 39.6%, 41.6%

HSLhsl(185.5, 35%, 30.8%)

HSV / HSBhsv(185.5, 51.9%, 41.6%)

CMYK51.9%, 4.7%, 0%, 58.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,368,298

CSS custom property--colour: #33656A;

Brightness & contrast

Relative luminance0.11052WCAG 2.x, 0 is black and 1 is white

Perceived brightness89.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.54:1

Contrast with white6.54:1WCAG normal text: AA

Contrast with black3.21:1WCAG normal text: Fail

Greyscale equivalent#5B5B5B

Inverted#CC9A95

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5E616Ano red cones; affects about 1% of men; ΔE 16.4 from the original

Deuteranopia#555B6Ano green cones; the most common form, about 1% of men; ΔE 16.6 from the original

Tritanopia#116866no blue cones; rare, and affects men and women equally; ΔE 9.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.54:1WCAG large text: AAA

Contrast with black, large text3.21:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 10.1 Teal · ΔE 16 Dim grey · ΔE 17.9 Slate grey · ΔE 18.8 Dark cyan · ΔE 19.8 Light slate grey · ΔE 21.1

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.11, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#6A3833

Analogous#336A54, #33496A

Triadic#6A3365, #656A33

Split complementary#6A3349, #6A5333

Tetradic#54336A, #6A3833, #4A6A33

Tints, shades & saturation

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

Lighter +40%#9ACACF

Lighter +30%#78B8BE

Lighter +20%#56A5AD

Lighter +10%#44868C

Darker −10%#224448

Darker −20%#122325

Darker −30%#010303

Darker −40%#000000

More saturated +25%#1F757E

Less saturated −25%#475556

Channel breakdown

R51

G101

B106

Red51 (20%)

Green101 (39.6%)

Blue106 (41.6%)

Hue185.45°

Saturation (HSL)35.03%

Lightness30.78%

Dominant channelBlue

Hex per channelR 33 · G 65 · B 6A

Keep nerding

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

#33656A

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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