Recognised as Colour

#1C6580

#1C6580
Cyan
Dark
Nearest: Steel blue

#1C6580 is a cyan with RGB values 28, 101, 128 and HSL 196°, 64%, 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 Steel blue.

Colour values

#1C6580#1C6580

HEX#1C6580

RGBrgb(28, 101, 128)

RGB (0–1)0.1098, 0.3961, 0.502

RGB percentages11%, 39.6%, 50.2%

HSLhsl(196.2, 64.1%, 30.6%)

HSV / HSBhsv(196.2, 78.1%, 50.2%)

CMYK78.1%, 21.1%, 0%, 49.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,860,992

CSS custom property--colour: #1C6580;

Brightness & contrast

Relative luminance0.11113WCAG 2.x, 0 is black and 1 is white

Perceived brightness89.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.52:1

Contrast with white6.52:1WCAG normal text: AA

Contrast with black3.22:1WCAG normal text: Fail

Greyscale equivalent#575757

Inverted#E39A7F

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#576381no red cones; affects about 1% of men; ΔE 15.8 from the original

Deuteranopia#495980no green cones; the most common form, about 1% of men; ΔE 17.2 from the original

Tritanopia#006D6Eno blue cones; rare, and affects men and women equally; ΔE 18.7 from the original

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

Contrast with white, large text6.52:1WCAG large text: AAA

Contrast with black, large text3.22:1WCAG large text: AA

Named colours

Steel blue · ΔE 18.6 Dark slate grey · ΔE 19.6 Slate grey · ΔE 19.7 Light slate grey · ΔE 21.6 Teal · ΔE 22.7 Dim grey · ΔE 25.1

Nearest named CSS colourSteel blue (#4682B4)ΔE 18.58, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#80371C

Analogous#1C8069, #1C3380

Triadic#801C65, #65801C

Split complementary#801C33, #80691C

Tetradic#691C80, #80371C, #33801C

Tints, shades & saturation

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

Lighter +40%#84CAE4

Lighter +30%#5AB8DB

Lighter +20%#30A6D2

Lighter +10%#2586AA

Darker −10%#134456

Darker −20%#0A232C

Darker −30%#010202

Darker −40%#000000

More saturated +25%#086E94

Less saturated −25%#305C6D

Channel breakdown

R28

G101

B128

Red28 (11%)

Green101 (39.6%)

Blue128 (50.2%)

Hue196.2°

Saturation (HSL)64.1%

Lightness30.59%

Dominant channelBlue

Hex per channelR 1C · G 65 · B 80

Keep nerding

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

#1C6580

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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