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Recognised as Colour

#4A89BB

  • #4A89BB
  • Blue
  • Dark
  • Nearest: Steel blue

#4A89BB is a blue with RGB values 74, 137, 187 and HSL 207°, 45%, 51%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4A89BB#4A89BB
HEX#4A89BB
RGBrgb(74, 137, 187)
RGB (0–1)0.2902, 0.5373, 0.7333
RGB percentages29%, 53.7%, 73.3%
HSLhsl(206.5, 45.4%, 51.2%)
HSV / HSBhsv(206.5, 60.4%, 73.3%)
CMYK60.4%, 26.7%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,884,923
CSS custom property--colour: #4A89BB;

Brightness & contrast

Relative luminance0.22935WCAG 2.x, 0 is black and 1 is white
Perceived brightness129 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.59:1
Contrast with white3.76:1WCAG normal text: Fail
Contrast with black5.59:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#B57644

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#738ABDno red cones; affects about 1% of men; ΔE 10.6 from the original
Deuteranopia#647FBAno green cones; the most common form, about 1% of men; ΔE 11.7 from the original
Tritanopia#00959Ano blue cones; rare, and affects men and women equally; ΔE 32.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.76:1WCAG large text: AA
Contrast with black, large text5.59:1WCAG large text: AAA

Named colours

Steel blue · ΔE 2.7Light slate grey · ΔE 21.3Slate grey · ΔE 22Cornflower blue · ΔE 23.4Deep skyblue · ΔE 23.9Light skyblue · ΔE 25.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 2.72, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB7C4A
Analogous#4ABBB4, #4A50BB
Triadic#BB4A89, #89BB4A
Split complementary#BB4A50, #BBB44A
Tetradic#B44ABB, #BB7C4A, #50BB4A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEEAF3
Lighter +30%#B9D2E5
Lighter +20%#94B9D7
Lighter +10%#6FA1C9
Darker −10%#396E99
Darker −20%#2B5474
Darker −30%#1D394F
Darker −40%#101E29
More saturated +25%#2B8DDA
Less saturated −25%#69859C

Channel breakdown

R74
G137
B187
Red74 (29%)
Green137 (53.7%)
Blue187 (73.3%)
Hue206.55°
Saturation (HSL)45.38%
Lightness51.18%
Dominant channelBlue
Hex per channelR 4A · G 89 · B BB

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Every value on this page was computed from “4a89bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.