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Colour

#0063B6

  • #0063B6
  • Blue
  • Dark
  • Nearest: Cornflower blue

#0063B6 is a blue with RGB values 0, 99, 182 and HSL 207°, 100%, 36%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#0063B6#0063B6
HEX#0063B6
RGBrgb(0, 99, 182)
RGB (0–1)0, 0.3882, 0.7137
RGB percentages0%, 38.8%, 71.4%
HSLhsl(207.4, 100%, 35.7%)
HSV / HSBhsv(207.4, 100%, 71.4%)
CMYK100%, 45.6%, 0%, 28.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer25,526
CSS custom property--colour: #0063B6;

Brightness & contrast

Relative luminance0.12301WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.07:1
Contrast with white6.07:1WCAG normal text: AA
Contrast with black3.46:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#FF9C49

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#356AB9no red cones; affects about 1% of men; ΔE 5.1 from the original
Deuteranopia#025CB4no green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#007783no blue cones; rare, and affects men and women equally; ΔE 48 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.07:1WCAG large text: AAA
Contrast with black, large text3.46:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 20.3Dodgerblue · ΔE 21.9Dark slateblue · ΔE 22.5Royal blue · ΔE 24Steel blue · ΔE 24.6Slate blue · ΔE 28.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 20.3, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B65300
Analogous#00B6AE, #0008B6
Triadic#B60063, #63B600
Split complementary#B60008, #B6AE00
Tetradic#AE00B6, #B65300, #08B600

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#83C6FF
Lighter +30%#50AFFF
Lighter +20%#1D98FF
Lighter +10%#007FE9
Darker −10%#004783
Darker −20%#002C50
Darker −30%#00101D
Darker −40%#000000
More saturated +25%#0063B6
Less saturated −25%#17619F

Channel breakdown

R0
G99
B182
Red0 (0%)
Green99 (38.8%)
Blue182 (71.4%)
Hue207.36°
Saturation (HSL)100%
Lightness35.69%
Dominant channelBlue
Hex per channelR 00 · G 63 · B B6

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Every value on this page was computed from “0063b6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.