Colour

#0063CD

#0063CD
Blue
Dark
Nearest: Royal blue

#0063CD is a blue with RGB values 0, 99, 205 and HSL 211°, 100%, 40%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#0063CD#0063CD

HEX#0063CD

RGBrgb(0, 99, 205)

RGB (0–1)0, 0.3882, 0.8039

RGB percentages0%, 38.8%, 80.4%

HSLhsl(211, 100%, 40.2%)

HSV / HSBhsv(211, 100%, 80.4%)

CMYK100%, 51.7%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer25,549

CSS custom property--colour: #0063CD;

Brightness & contrast

Relative luminance0.13331WCAG 2.x, 0 is black and 1 is white

Perceived brightness102.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.73:1

Contrast with white5.73:1WCAG normal text: AA

Contrast with black3.67:1WCAG normal text: Fail

Greyscale equivalent#565656

Inverted#FF9C32

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#126FD1no red cones; affects about 1% of men; ΔE 7.8 from the original

Deuteranopia#005ECBno green cones; the most common form, about 1% of men; ΔE 3.2 from the original

Tritanopia#007D8Eno blue cones; rare, and affects men and women equally; ΔE 59.7 from the original

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

Contrast with white, large text5.73:1WCAG large text: AAA

Contrast with black, large text3.67:1WCAG large text: AA

Named colours

Royal blue · ΔE 10.5 Dodgerblue · ΔE 18 Slate blue · ΔE 18.9 Cornflower blue · ΔE 23.7 Dark slateblue · ΔE 24.4 Medium purple · ΔE 25.1

Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.53, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CD6A00

Analogous#00CACD, #0300CD

Triadic#CD0063, #63CD00

Split complementary#CD0300, #CACD00

Tetradic#CD00CA, #CD6A00, #00CD03

Tints, shades & saturation

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

Lighter +40%#9ACBFF

Lighter +30%#67B0FF

Lighter +20%#3496FF

Lighter +10%#017CFF

Darker −10%#004A9A

Darker −20%#003267

Darker −30%#001934

Darker −40%#000001

More saturated +25%#0063CD

Less saturated −25%#1A64B3

Channel breakdown

G99

B205

Red0 (0%)

Green99 (38.8%)

Blue205 (80.4%)

Hue211.02°

Saturation (HSL)100%

Lightness40.2%

Dominant channelBlue

Hex per channelR 00 · G 63 · B CD

Keep nerding

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

#0063CD

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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