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Colour

#3049AA

  • #3049AA
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3049AA is a blue with RGB values 48, 73, 170 and HSL 228°, 56%, 43%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3049AA#3049AA
HEX#3049AA
RGBrgb(48, 73, 170)
RGB (0–1)0.1882, 0.2863, 0.6667
RGB percentages18.8%, 28.6%, 66.7%
HSLhsl(227.7, 56%, 42.7%)
HSV / HSBhsv(227.7, 71.8%, 66.7%)
CMYK71.8%, 57.1%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,164,586
CSS custom property--colour: #3049AA;

Brightness & contrast

Relative luminance0.08296WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.9:1
Contrast with white7.9:1WCAG normal text: AAA
Contrast with black2.66:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#CFB655

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0057ADno red cones; affects about 1% of men; ΔE 12.7 from the original
Deuteranopia#004CA8no green cones; the most common form, about 1% of men; ΔE 6.7 from the original
Tritanopia#006172no blue cones; rare, and affects men and women equally; ΔE 57.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.9:1WCAG large text: AAA
Contrast with black, large text2.66:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.4Slate blue · ΔE 16Royal blue · ΔE 16.9Rebecca purple · ΔE 20Midnight blue · ΔE 20.8Medium purple · ΔE 24.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.42, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA9130
Analogous#3086AA, #5430AA
Triadic#AA3049, #49AA30
Split complementary#AA5430, #86AA30
Tetradic#AA3086, #AA9130, #30AA54

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BAC4EC
Lighter +30%#93A3E0
Lighter +20%#6B81D5
Lighter +10%#435FCA
Darker −10%#253882
Darker −20%#1A275A
Darker −30%#0E1633
Darker −40%#03050B
More saturated +25%#1539C5
Less saturated −25%#4B598F

Channel breakdown

R48
G73
B170
Red48 (18.8%)
Green73 (28.6%)
Blue170 (66.7%)
Hue227.7°
Saturation (HSL)55.96%
Lightness42.75%
Dominant channelBlue
Hex per channelR 30 · G 49 · B AA

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Every value on this page was computed from “3049aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.