Recognised as Colour

#0081BD

#0081BD
Cyan
Dark
Nearest: Steel blue

#0081BD is a cyan with RGB values 0, 129, 189 and HSL 199°, 100%, 37%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#0081BD#0081BD

HEX#0081BD

RGBrgb(0, 129, 189)

RGB (0–1)0, 0.5059, 0.7412

RGB percentages0%, 50.6%, 74.1%

HSLhsl(199, 100%, 37.1%)

HSV / HSBhsv(199, 100%, 74.1%)

CMYK100%, 31.7%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer33,213

CSS custom property--colour: #0081BD;

Brightness & contrast

Relative luminance0.19375WCAG 2.x, 0 is black and 1 is white

Perceived brightness117.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.87:1

Contrast with white4.31:1WCAG normal text: Fail

Contrast with black4.87:1WCAG normal text: AA

Greyscale equivalent#6A6A6A

Inverted#FF7E42

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6482C0no red cones; affects about 1% of men; ΔE 14.8 from the original

Deuteranopia#4C73BCno green cones; the most common form, about 1% of men; ΔE 16.7 from the original

Tritanopia#009096no blue cones; rare, and affects men and women equally; ΔE 35.1 from the original

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

Contrast with white, large text4.31:1WCAG large text: AA

Contrast with black, large text4.87:1WCAG large text: AAA

Named colours

Steel blue · ΔE 8.2 Cornflower blue · ΔE 22.2 Deep skyblue · ΔE 23.9 Light slate grey · ΔE 29.3 Slate grey · ΔE 29.5 Dodgerblue · ΔE 30.6

Nearest named CSS colourSteel blue (#4682B4)ΔE 8.21, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BD3C00

Analogous#00BD9A, #0023BD

Triadic#BD0081, #81BD00

Split complementary#BD0023, #BD9B00

Tetradic#9A00BD, #BD3C00, #23BD00

Tints, shades & saturation

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

Lighter +40%#8ADAFF

Lighter +30%#57CAFF

Lighter +20%#24B9FF

Lighter +10%#00A4F0

Darker −10%#005E8A

Darker −20%#003B57

Darker −30%#001924

Darker −40%#000000

More saturated +25%#0081BD

Less saturated −25%#1878A5

Channel breakdown

G129

B189

Red0 (0%)

Green129 (50.6%)

Blue189 (74.1%)

Hue199.05°

Saturation (HSL)100%

Lightness37.06%

Dominant channelBlue

Hex per channelR 00 · G 81 · B BD

Keep nerding

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

#0081BD

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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