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Colour

#00489F

  • #00489F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#00489F is a blue with RGB values 0, 72, 159 and HSL 213°, 100%, 31%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#00489F#00489F
HEX#00489F
RGBrgb(0, 72, 159)
RGB (0–1)0, 0.2824, 0.6235
RGB percentages0%, 28.2%, 62.4%
HSLhsl(212.8, 100%, 31.2%)
HSV / HSBhsv(212.8, 100%, 62.4%)
CMYK100%, 54.7%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer18,591
CSS custom property--colour: #00489F;

Brightness & contrast

Relative luminance0.07138WCAG 2.x, 0 is black and 1 is white
Perceived brightness77 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.65:1
Contrast with white8.65:1WCAG normal text: AAA
Contrast with black2.43:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#FFB760

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0052A2no red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#00459Dno green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#005E6Cno blue cones; rare, and affects men and women equally; ΔE 51.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.65:1WCAG large text: AAA
Contrast with black, large text2.43:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.9Midnight blue · ΔE 22.2Royal blue · ΔE 22.4Slate blue · ΔE 23.9Rebecca purple · ΔE 26.6Dodgerblue · ΔE 30.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.86, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9F5700
Analogous#00979F, #08009F
Triadic#9F0048, #489F00
Split complementary#9F0700, #989F00
Tetradic#9F0097, #9F5700, #009F08

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6CAFFF
Lighter +30%#3993FF
Lighter +20%#0677FF
Lighter +10%#005FD2
Darker −10%#00316C
Darker −20%#001A39
Darker −30%#000306
Darker −40%#000000
More saturated +25%#00489F
Less saturated −25%#144A8B

Channel breakdown

R0
G72
B159
Red0 (0%)
Green72 (28.2%)
Blue159 (62.4%)
Hue212.83°
Saturation (HSL)100%
Lightness31.18%
Dominant channelBlue
Hex per channelR 00 · G 48 · B 9F

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Every value on this page was computed from “00489f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.