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Colour

#2A4B84

  • #2A4B84
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2A4B84 is a blue with RGB values 42, 75, 132 and HSL 218°, 52%, 34%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2A4B84#2A4B84
HEX#2A4B84
RGBrgb(42, 75, 132)
RGB (0–1)0.1647, 0.2941, 0.5176
RGB percentages16.5%, 29.4%, 51.8%
HSLhsl(218, 51.7%, 34.1%)
HSV / HSBhsv(218, 68.2%, 51.8%)
CMYK68.2%, 43.2%, 0%, 48.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,771,844
CSS custom property--colour: #2A4B84;

Brightness & contrast

Relative luminance0.0719WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.61:1
Contrast with white8.61:1WCAG normal text: AAA
Contrast with black2.44:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#D5B47B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#315086no red cones; affects about 1% of men; ΔE 3 from the original
Deuteranopia#234883no green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#005861no blue cones; rare, and affects men and women equally; ΔE 35.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.61:1WCAG large text: AAA
Contrast with black, large text2.44:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.4Steel blue · ΔE 23.7Midnight blue · ΔE 32.2Cornflower blue · ΔE 32.7Slate grey · ΔE 33.9Light slate grey · ΔE 35.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.39, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#84632A
Analogous#2A7884, #362A84
Triadic#842A4B, #4B842A
Split complementary#84362A, #78842A
Tetradic#842A78, #84632A, #2A8436

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BB4DF
Lighter +30%#7497D3
Lighter +20%#4D7AC7
Lighter +10%#3661AB
Darker −10%#1E355D
Darker −20%#111F37
Darker −30%#050910
Darker −40%#000000
More saturated +25%#14459A
Less saturated −25%#40516E

Channel breakdown

R42
G75
B132
Red42 (16.5%)
Green75 (29.4%)
Blue132 (51.8%)
Hue218°
Saturation (HSL)51.72%
Lightness34.12%
Dominant channelBlue
Hex per channelR 2A · G 4B · B 84

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Every value on this page was computed from “2a4b84” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.