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Colour

#0049A5

  • #0049A5
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0049A5 is a blue with RGB values 0, 73, 165 and HSL 213°, 100%, 32%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0049A5#0049A5
HEX#0049A5
RGBrgb(0, 73, 165)
RGB (0–1)0, 0.2863, 0.6471
RGB percentages0%, 28.6%, 64.7%
HSLhsl(213.5, 100%, 32.4%)
HSV / HSBhsv(213.5, 100%, 64.7%)
CMYK100%, 55.8%, 0%, 35.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer18,853
CSS custom property--colour: #0049A5;

Brightness & contrast

Relative luminance0.07482WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.41:1
Contrast with white8.41:1WCAG normal text: AAA
Contrast with black2.5:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#FFB65A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0054A8no red cones; affects about 1% of men; ΔE 8 from the original
Deuteranopia#0047A3no green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#00606Fno blue cones; rare, and affects men and women equally; ΔE 54.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.41:1WCAG large text: AAA
Contrast with black, large text2.5:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.8Royal blue · ΔE 19.8Slate blue · ΔE 21.6Midnight blue · ΔE 22.1Rebecca purple · ΔE 25.4Medium purple · ΔE 29
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A55C00
Analogous#009BA5, #0A00A5
Triadic#A50049, #49A500
Split complementary#A50A00, #9BA500
Tetradic#A5009B, #A55C00, #00A50A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#72B0FF
Lighter +30%#3F94FF
Lighter +20%#0C78FF
Lighter +10%#0060D8
Darker −10%#003272
Darker −20%#001C3F
Darker −30%#00050C
Darker −40%#000000
More saturated +25%#0049A5
Less saturated −25%#154B90

Channel breakdown

R0
G73
B165
Red0 (0%)
Green73 (28.6%)
Blue165 (64.7%)
Hue213.45°
Saturation (HSL)100%
Lightness32.35%
Dominant channelBlue
Hex per channelR 00 · G 49 · B A5

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Every value on this page was computed from “0049a5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.