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Recognised as Colour

#00549F

  • #00549F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#00549F is a blue with RGB values 0, 84, 159 and HSL 208°, 100%, 31%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#00549F#00549F
HEX#00549F
RGBrgb(0, 84, 159)
RGB (0–1)0, 0.3294, 0.6235
RGB percentages0%, 32.9%, 62.4%
HSLhsl(208.3, 100%, 31.2%)
HSV / HSBhsv(208.3, 100%, 62.4%)
CMYK100%, 47.2%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer21,663
CSS custom property--colour: #00549F;

Brightness & contrast

Relative luminance0.08844WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.58:1
Contrast with white7.58:1WCAG normal text: AAA
Contrast with black2.77:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#FFAB60

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#295BA2no red cones; affects about 1% of men; ΔE 4.6 from the original
Deuteranopia#004E9Eno green cones; the most common form, about 1% of men; ΔE 4.7 from the original
Tritanopia#006671no blue cones; rare, and affects men and women equally; ΔE 44.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.58:1WCAG large text: AAA
Contrast with black, large text2.77:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.6Steel blue · ΔE 25.5Cornflower blue · ΔE 26.4Royal blue · ΔE 28.4Dodgerblue · ΔE 29.1Midnight blue · ΔE 30.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9F4B00
Analogous#009F9A, #00059F
Triadic#9F0054, #549F00
Split complementary#9F0004, #9F9A00
Tetradic#9B009F, #9F4B00, #059F00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6CBAFF
Lighter +30%#39A2FF
Lighter +20%#068AFF
Lighter +10%#006FD2
Darker −10%#00396C
Darker −20%#001E39
Darker −30%#000306
Darker −40%#000000
More saturated +25%#00549F
Less saturated −25%#14538B

Channel breakdown

R0
G84
B159
Red0 (0%)
Green84 (32.9%)
Blue159 (62.4%)
Hue208.3°
Saturation (HSL)100%
Lightness31.18%
Dominant channelBlue
Hex per channelR 00 · G 54 · B 9F

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Every value on this page was computed from “00549f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.