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Recognised as Colour

#4190B8

  • #4190B8
  • Blue
  • Dark
  • Nearest: Steel blue

#4190B8 is a blue with RGB values 65, 144, 184 and HSL 200°, 48%, 49%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4190B8#4190B8
HEX#4190B8
RGBrgb(65, 144, 184)
RGB (0–1)0.2549, 0.5647, 0.7216
RGB percentages25.5%, 56.5%, 72.2%
HSLhsl(200.2, 47.8%, 48.8%)
HSV / HSBhsv(200.2, 64.7%, 72.2%)
CMYK64.7%, 21.7%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,296,888
CSS custom property--colour: #4190B8;

Brightness & contrast

Relative luminance0.24531WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.91:1
Contrast with white3.56:1WCAG normal text: Fail
Contrast with black5.91:1WCAG normal text: AA
Greyscale equivalent#828282
Inverted#BE6F47

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7D8FBAno red cones; affects about 1% of men; ΔE 16.2 from the original
Deuteranopia#6C82B7no green cones; the most common form, about 1% of men; ΔE 17.8 from the original
Tritanopia#009B9Dno blue cones; rare, and affects men and women equally; ΔE 27.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.56:1WCAG large text: AA
Contrast with black, large text5.91:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.6Light slate grey · ΔE 19.4Slate grey · ΔE 20.3Deep skyblue · ΔE 22.4Cadetblue · ΔE 22.6Light skyblue · ΔE 23.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.6, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B86941
Analogous#41B8A5, #4154B8
Triadic#B84190, #90B841
Split complementary#B84154, #B8A541
Tetradic#A541B8, #B86941, #54B841

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D5E7F0
Lighter +30%#AFD1E3
Lighter +20%#8ABCD5
Lighter +10%#64A6C8
Darker −10%#347392
Darker −20%#26556D
Darker −30%#193847
Darker −40%#0C1A21
More saturated +25%#229AD7
Less saturated −25%#608699

Channel breakdown

R65
G144
B184
Red65 (25.5%)
Green144 (56.5%)
Blue184 (72.2%)
Hue200.17°
Saturation (HSL)47.79%
Lightness48.82%
Dominant channelBlue
Hex per channelR 41 · G 90 · B B8

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Every value on this page was computed from “4190b8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.