Colour

#0087CC

#0087CC
Blue
Dark
Nearest: Steel blue

#0087CC is a blue with RGB values 0, 135, 204 and HSL 200°, 100%, 40%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#0087CC#0087CC

HEX#0087CC

RGBrgb(0, 135, 204)

RGB (0–1)0, 0.5294, 0.8

RGB percentages0%, 52.9%, 80%

HSLhsl(200.3, 100%, 40%)

HSV / HSBhsv(200.3, 100%, 80%)

CMYK100%, 33.8%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer34,764

CSS custom property--colour: #0087CC;

Brightness & contrast

Relative luminance0.21688WCAG 2.x, 0 is black and 1 is white

Perceived brightness124.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.34:1

Contrast with white3.93:1WCAG normal text: Fail

Contrast with black5.34:1WCAG normal text: AA

Greyscale equivalent#6F6F6F

Inverted#FF7833

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6589CFno red cones; affects about 1% of men; ΔE 13.5 from the original

Deuteranopia#4B79CBno green cones; the most common form, about 1% of men; ΔE 15.8 from the original

Tritanopia#0098A0no blue cones; rare, and affects men and women equally; ΔE 39.4 from the original

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

Contrast with white, large text3.93:1WCAG large text: AA

Contrast with black, large text5.34:1WCAG large text: AAA

Named colours

Steel blue · ΔE 12 Cornflower blue · ΔE 17.5 Deep skyblue · ΔE 22.6 Dodgerblue · ΔE 25.2 Light skyblue · ΔE 30.8 Light slate grey · ΔE 33.2

Nearest named CSS colourSteel blue (#4682B4)ΔE 11.98, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CC4500

Analogous#00CCAB, #0021CC

Triadic#CC0087, #87CC00

Split complementary#CC0021, #CCAB00

Tetradic#AB00CC, #CC4500, #21CC00

Tints, shades & saturation

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

Lighter +40%#99DDFF

Lighter +30%#66CBFF

Lighter +20%#33BAFF

Lighter +10%#00A9FF

Darker −10%#006599

Darker −20%#004466

Darker −30%#002233

Darker −40%#000000

More saturated +25%#0087CC

Less saturated −25%#197FB3

Channel breakdown

G135

B204

Red0 (0%)

Green135 (52.9%)

Blue204 (80%)

Hue200.29°

Saturation (HSL)100%

Lightness40%

Dominant channelBlue

Hex per channelR 00 · G 87 · B CC

Keep nerding

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#0087CC

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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