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Recognised as Colour

#4B6FB4

  • #4B6FB4
  • Blue
  • Dark
  • Nearest: Steel blue

#4B6FB4 is a blue with RGB values 75, 111, 180 and HSL 219°, 41%, 50%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4B6FB4#4B6FB4
HEX#4B6FB4
RGBrgb(75, 111, 180)
RGB (0–1)0.2941, 0.4353, 0.7059
RGB percentages29.4%, 43.5%, 70.6%
HSLhsl(219.4, 41.2%, 50%)
HSV / HSBhsv(219.4, 58.3%, 70.6%)
CMYK58.3%, 38.3%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,943,796
CSS custom property--colour: #4B6FB4;

Brightness & contrast

Relative luminance0.1616WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.96:1
Contrast with white4.96:1WCAG normal text: AA
Contrast with black4.23:1WCAG normal text: Fail
Greyscale equivalent#6C6C6C
Inverted#B4904B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5275B7no red cones; affects about 1% of men; ΔE 3.1 from the original
Deuteranopia#446BB3no green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#007E89no blue cones; rare, and affects men and women equally; ΔE 42.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.96:1WCAG large text: AAA
Contrast with black, large text4.23:1WCAG large text: AA

Named colours

Steel blue · ΔE 15.9Cornflower blue · ΔE 17.2Dark slateblue · ΔE 24.1Dodgerblue · ΔE 26Royal blue · ΔE 30.6Medium purple · ΔE 31
Nearest named CSS colourSteel blue (#4682B4)ΔE 15.88, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B4904B
Analogous#4BA3B4, #5C4BB4
Triadic#B44B6F, #6FB44B
Split complementary#B45C4B, #A3B44B
Tetradic#B44BA3, #B4904B, #4BB45C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DBE2F0
Lighter +30%#B7C5E1
Lighter +20%#93A9D2
Lighter +10%#6F8CC3
Darker −10%#3C5990
Darker −20%#2D436C
Darker −30%#1E2C48
Darker −40%#0F1624
More saturated +25%#2B65D4
Less saturated −25%#6B7994

Channel breakdown

R75
G111
B180
Red75 (29.4%)
Green111 (43.5%)
Blue180 (70.6%)
Hue219.43°
Saturation (HSL)41.18%
Lightness50%
Dominant channelBlue
Hex per channelR 4B · G 6F · B B4

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Every value on this page was computed from “4b6fb4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.