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Recognised as Colour

#3073AD

  • #3073AD
  • Blue
  • Dark
  • Nearest: Steel blue

#3073AD is a blue with RGB values 48, 115, 173 and HSL 208°, 57%, 43%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3073AD#3073AD
HEX#3073AD
RGBrgb(48, 115, 173)
RGB (0–1)0.1882, 0.451, 0.6784
RGB percentages18.8%, 45.1%, 67.8%
HSLhsl(207.8, 56.6%, 43.3%)
HSV / HSBhsv(207.8, 72.3%, 67.8%)
CMYK72.3%, 33.5%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,175,341
CSS custom property--colour: #3073AD;

Brightness & contrast

Relative luminance0.15907WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.02:1
Contrast with white5.02:1WCAG normal text: AA
Contrast with black4.18:1WCAG normal text: Fail
Greyscale equivalent#696969
Inverted#CF8C52

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5976AFno red cones; affects about 1% of men; ΔE 8.3 from the original
Deuteranopia#476AACno green cones; the most common form, about 1% of men; ΔE 9.7 from the original
Tritanopia#008188no blue cones; rare, and affects men and women equally; ΔE 35.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.02:1WCAG large text: AAA
Contrast with black, large text4.18:1WCAG large text: AA

Named colours

Steel blue · ΔE 7.9Cornflower blue · ΔE 22.2Slate grey · ΔE 27.1Light slate grey · ΔE 27.5Deep skyblue · ΔE 30.9Dodgerblue · ΔE 31.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.88, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AD6A30
Analogous#30ADA9, #3034AD
Triadic#AD3073, #73AD30
Split complementary#AD3034, #ADA930
Tetradic#A930AD, #AD6A30, #34AD30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCD6ED
Lighter +30%#95BEE1
Lighter +20%#6DA5D6
Lighter +10%#458DCB
Darker −10%#255885
Darker −20%#1A3E5D
Darker −30%#0F2335
Darker −40%#04090D
More saturated +25%#1475C9
Less saturated −25%#4C7191

Channel breakdown

R48
G115
B173
Red48 (18.8%)
Green115 (45.1%)
Blue173 (67.8%)
Hue207.84°
Saturation (HSL)56.56%
Lightness43.33%
Dominant channelBlue
Hex per channelR 30 · G 73 · B AD

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Every value on this page was computed from “3073ad” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.