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Recognised as Colour

#4B5671

  • #4B5671
  • Blue
  • Dark
  • Nearest: Slate grey

#4B5671 is a blue with RGB values 75, 86, 113 and HSL 223°, 20%, 37%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Slate grey.

Colour values

#4B5671#4B5671
HEX#4B5671
RGBrgb(75, 86, 113)
RGB (0–1)0.2941, 0.3373, 0.4431
RGB percentages29.4%, 33.7%, 44.3%
HSLhsl(222.6, 20.2%, 36.9%)
HSV / HSBhsv(222.6, 33.6%, 44.3%)
CMYK33.6%, 23.9%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,937,329
CSS custom property--colour: #4B5671;

Brightness & contrast

Relative luminance0.09344WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.32:1
Contrast with white7.32:1WCAG normal text: AAA
Contrast with black2.87:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#B4A98E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4D5872no red cones; affects about 1% of men; ΔE 1.1 from the original
Deuteranopia#4A5570no green cones; the most common form, about 1% of men; ΔE 0.4 from the original
Tritanopia#405B5Fno blue cones; rare, and affects men and women equally; ΔE 16.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.32:1WCAG large text: AAA
Contrast with black, large text2.87:1WCAG large text: Fail

Named colours

Slate grey · ΔE 18Dim grey · ΔE 18.7Dark slate grey · ΔE 20.2Light slate grey · ΔE 20.7Steel blue · ΔE 23.1Gray · ΔE 24
Nearest named CSS colourSlate grey (#708090)ΔE 18.04, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#71664B
Analogous#4B6971, #534B71
Triadic#714B56, #56714B
Split complementary#71534B, #69714B
Tetradic#714B69, #71664B, #4B7153

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B8BFD0
Lighter +30%#99A3BC
Lighter +20%#7B88A7
Lighter +10%#5F6D90
Darker −10%#373F52
Darker −20%#222734
Darker −30%#0E1015
Darker −40%#000000
More saturated +25%#344C89
Less saturated −25%#5E5E5E

Channel breakdown

R75
G86
B113
Red75 (29.4%)
Green86 (33.7%)
Blue113 (44.3%)
Hue222.63°
Saturation (HSL)20.21%
Lightness36.86%
Dominant channelBlue
Hex per channelR 4B · G 56 · B 71

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Every value on this page was computed from “4b5671” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.