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Recognised as Colour

#4A83BB

  • #4A83BB
  • Blue
  • Dark
  • Nearest: Steel blue

#4A83BB is a blue with RGB values 74, 131, 187 and HSL 210°, 45%, 51%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4A83BB#4A83BB
HEX#4A83BB
RGBrgb(74, 131, 187)
RGB (0–1)0.2902, 0.5137, 0.7333
RGB percentages29%, 51.4%, 73.3%
HSLhsl(209.7, 45.4%, 51.2%)
HSV / HSBhsv(209.7, 60.4%, 73.3%)
CMYK60.4%, 29.9%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,883,387
CSS custom property--colour: #4A83BB;

Brightness & contrast

Relative luminance0.21276WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.26:1
Contrast with white4:1WCAG normal text: Fail
Contrast with black5.26:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#B57C44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6B85BDno red cones; affects about 1% of men; ΔE 8 from the original
Deuteranopia#5C7ABAno green cones; the most common form, about 1% of men; ΔE 9.4 from the original
Tritanopia#009097no blue cones; rare, and affects men and women equally; ΔE 35.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4:1WCAG large text: AA
Contrast with black, large text5.26:1WCAG large text: AAA

Named colours

Steel blue · ΔE 3.8Cornflower blue · ΔE 20Light slate grey · ΔE 24Slate grey · ΔE 24.4Deep skyblue · ΔE 26.3Light skyblue · ΔE 28.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 3.83, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB824A
Analogous#4ABBBA, #4A4BBB
Triadic#BB4A83, #83BB4A
Split complementary#BB4A4B, #BBBA4A
Tetradic#BA4ABB, #BB824A, #4BBB4A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEE9F3
Lighter +30%#B9CFE5
Lighter +20%#94B6D7
Lighter +10%#6F9CC9
Darker −10%#396999
Darker −20%#2B5074
Darker −30%#1D364F
Darker −40%#101D29
More saturated +25%#2B83DA
Less saturated −25%#69839C

Channel breakdown

R74
G131
B187
Red74 (29%)
Green131 (51.4%)
Blue187 (73.3%)
Hue209.73°
Saturation (HSL)45.38%
Lightness51.18%
Dominant channelBlue
Hex per channelR 4A · G 83 · B BB

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Every value on this page was computed from “4a83bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.