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Recognised as Colour

#4B5879

  • #4B5879
  • Blue
  • Dark
  • Nearest: Slate grey

#4B5879 is a blue with RGB values 75, 88, 121 and HSL 223°, 23%, 38%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Slate grey.

Colour values

#4B5879#4B5879
HEX#4B5879
RGBrgb(75, 88, 121)
RGB (0–1)0.2941, 0.3451, 0.4745
RGB percentages29.4%, 34.5%, 47.5%
HSLhsl(223, 23.5%, 38.4%)
HSV / HSBhsv(223, 38%, 47.5%)
CMYK38%, 27.3%, 0%, 52.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,937,849
CSS custom property--colour: #4B5879;

Brightness & contrast

Relative luminance0.09856WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.07:1
Contrast with white7.07:1WCAG normal text: AAA
Contrast with black2.97:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#B4A786

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4D5B7Ano red cones; affects about 1% of men; ΔE 1.8 from the original
Deuteranopia#495778no green cones; the most common form, about 1% of men; ΔE 0.6 from the original
Tritanopia#3D5F63no blue cones; rare, and affects men and women equally; ΔE 20.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.07:1WCAG large text: AAA
Contrast with black, large text2.97:1WCAG large text: Fail

Named colours

Slate grey · ΔE 19.1Steel blue · ΔE 20.6Light slate grey · ΔE 21.4Dim grey · ΔE 21.8Dark slate grey · ΔE 23.6Gray · ΔE 26.1
Nearest named CSS colourSlate grey (#708090)ΔE 19.05, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#796C4B
Analogous#4B6F79, #554B79
Triadic#794B58, #58794B
Split complementary#79554B, #6F794B
Tetradic#794B6F, #796C4B, #4B7955

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BBC2D5
Lighter +30%#9CA6C1
Lighter +20%#7C8AAE
Lighter +10%#5F6F98
Darker −10%#37415A
Darker −20%#242A3A
Darker −30%#10131B
Darker −40%#000000
More saturated +25%#334D92
Less saturated −25%#626262

Channel breakdown

R75
G88
B121
Red75 (29.4%)
Green88 (34.5%)
Blue121 (47.5%)
Hue223.04°
Saturation (HSL)23.47%
Lightness38.43%
Dominant channelBlue
Hex per channelR 4B · G 58 · B 79

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Every value on this page was computed from “4b5879” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.