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Recognised as Colour

#00548F

  • #00548F
  • Blue
  • Dark
  • Nearest: Steel blue

#00548F is a blue with RGB values 0, 84, 143 and HSL 205°, 100%, 28%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#00548F#00548F
HEX#00548F
RGBrgb(0, 84, 143)
RGB (0–1)0, 0.3294, 0.5608
RGB percentages0%, 32.9%, 56.1%
HSLhsl(204.8, 100%, 28%)
HSV / HSBhsv(204.8, 100%, 56.1%)
CMYK100%, 41.3%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer21,647
CSS custom property--colour: #00548F;

Brightness & contrast

Relative luminance0.08324WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.88:1
Contrast with white7.88:1WCAG normal text: AAA
Contrast with black2.66:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#FFAB70

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#365891no red cones; affects about 1% of men; ΔE 6.3 from the original
Deuteranopia#1F4C8Eno green cones; the most common form, about 1% of men; ΔE 8 from the original
Tritanopia#00626Ano blue cones; rare, and affects men and women equally; ΔE 35.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.88:1WCAG large text: AAA
Contrast with black, large text2.66:1WCAG large text: Fail

Named colours

Steel blue · ΔE 19.9Dark slateblue · ΔE 24.6Cornflower blue · ΔE 30.2Slate grey · ΔE 33.6Light slate grey · ΔE 35Dodgerblue · ΔE 35.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 19.87, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8F3B00
Analogous#008F83, #000C8F
Triadic#8F0054, #548F00
Split complementary#8F000C, #8F8200
Tetradic#83008F, #8F3B00, #0D8F00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5CBCFF
Lighter +30%#29A7FF
Lighter +20%#0090F5
Lighter +10%#0072C2
Darker −10%#00365C
Darker −20%#001829
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00548F
Less saturated −25%#12517D

Channel breakdown

R0
G84
B143
Red0 (0%)
Green84 (32.9%)
Blue143 (56.1%)
Hue204.76°
Saturation (HSL)100%
Lightness28.04%
Dominant channelBlue
Hex per channelR 00 · G 54 · B 8F

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Every value on this page was computed from “00548f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.