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Recognised as Colour

#0081BC

  • #0081BC
  • Cyan
  • Dark
  • Nearest: Steel blue

#0081BC is a cyan with RGB values 0, 129, 188 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

#0081BC#0081BC
HEX#0081BC
RGBrgb(0, 129, 188)
RGB (0–1)0, 0.5059, 0.7373
RGB percentages0%, 50.6%, 73.7%
HSLhsl(198.8, 100%, 36.9%)
HSV / HSBhsv(198.8, 100%, 73.7%)
CMYK100%, 31.4%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer33,212
CSS custom property--colour: #0081BC;

Brightness & contrast

Relative luminance0.19331WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.87:1
Contrast with white4.32:1WCAG normal text: Fail
Contrast with black4.87:1WCAG normal text: AA
Greyscale equivalent#6A6A6A
Inverted#FF7E43

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6482BFno red cones; affects about 1% of men; ΔE 14.8 from the original
Deuteranopia#4D73BBno green cones; the most common form, about 1% of men; ΔE 16.9 from the original
Tritanopia#009096no blue cones; rare, and affects men and women equally; ΔE 34.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.32:1WCAG large text: AA
Contrast with black, large text4.87:1WCAG large text: AAA

Named colours

Steel blue · ΔE 8Cornflower blue · ΔE 22.7Deep skyblue · ΔE 23.9Light slate grey · ΔE 28.9Slate grey · ΔE 29.1Light skyblue · ΔE 30.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.95, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BC3B00
Analogous#00BC99, #0023BC
Triadic#BC0081, #81BC00
Split complementary#BC0023, #BC9900
Tetradic#9900BC, #BC3B00, #23BC00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#89DAFF
Lighter +30%#56CAFF
Lighter +20%#23BAFF
Lighter +10%#00A4EF
Darker −10%#005E89
Darker −20%#003B56
Darker −30%#001823
Darker −40%#000000
More saturated +25%#0081BC
Less saturated −25%#1878A5

Channel breakdown

R0
G129
B188
Red0 (0%)
Green129 (50.6%)
Blue188 (73.7%)
Hue198.83°
Saturation (HSL)100%
Lightness36.86%
Dominant channelBlue
Hex per channelR 00 · G 81 · B BC

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Every value on this page was computed from “0081bc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.