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Recognised as Colour

#4B5785

  • #4B5785
  • Blue
  • Dark
  • Nearest: Steel blue

#4B5785 is a blue with RGB values 75, 87, 133 and HSL 228°, 28%, 41%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4B5785#4B5785
HEX#4B5785
RGBrgb(75, 87, 133)
RGB (0–1)0.2941, 0.3412, 0.5216
RGB percentages29.4%, 34.1%, 52.2%
HSLhsl(227.6, 27.9%, 40.8%)
HSV / HSBhsv(227.6, 43.6%, 52.2%)
CMYK43.6%, 34.6%, 0%, 47.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,937,605
CSS custom property--colour: #4B5785;

Brightness & contrast

Relative luminance0.10006WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7:1
Contrast with white7:1WCAG normal text: AA
Contrast with black3:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#B4A87A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#475C87no red cones; affects about 1% of men; ΔE 3.9 from the original
Deuteranopia#425784no green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#386068no blue cones; rare, and affects men and women equally; ΔE 27 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7:1WCAG large text: AAA
Contrast with black, large text3:1WCAG large text: AA

Named colours

Steel blue · ΔE 19.7Dark slateblue · ΔE 24.3Slate grey · ΔE 24.6Light slate grey · ΔE 26.3Dim grey · ΔE 29.2Dark slate grey · ΔE 31.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 19.67, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#85794B
Analogous#4B7485, #5C4B85
Triadic#854B57, #57854B
Split complementary#855C4B, #74854B
Tetradic#854B74, #85794B, #4B855C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0C6DC
Lighter +30%#A0A8C9
Lighter +20%#7F8BB7
Lighter +10%#5F6DA4
Darker −10%#394264
Darker −20%#262C44
Darker −30%#141723
Darker −40%#010203
More saturated +25%#31489F
Less saturated −25%#65666B

Channel breakdown

R75
G87
B133
Red75 (29.4%)
Green87 (34.1%)
Blue133 (52.2%)
Hue227.59°
Saturation (HSL)27.88%
Lightness40.78%
Dominant channelBlue
Hex per channelR 4B · G 57 · B 85

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Every value on this page was computed from “4b5785” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.