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Recognised as Colour

#4181A2

  • #4181A2
  • Blue
  • Dark
  • Nearest: Steel blue

#4181A2 is a blue with RGB values 65, 129, 162 and HSL 200°, 43%, 45%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4181A2#4181A2
HEX#4181A2
RGBrgb(65, 129, 162)
RGB (0–1)0.2549, 0.5059, 0.6353
RGB percentages25.5%, 50.6%, 63.5%
HSLhsl(200.4, 42.7%, 44.5%)
HSV / HSBhsv(200.4, 59.9%, 63.5%)
CMYK59.9%, 20.4%, 0%, 36.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,293,026
CSS custom property--colour: #4181A2;

Brightness & contrast

Relative luminance0.19433WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.89:1
Contrast with white4.3:1WCAG normal text: Fail
Contrast with black4.89:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#BE7E5D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7180A4no red cones; affects about 1% of men; ΔE 14.1 from the original
Deuteranopia#6376A2no green cones; the most common form, about 1% of men; ΔE 15.1 from the original
Tritanopia#008A8Cno blue cones; rare, and affects men and women equally; ΔE 23.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.3:1WCAG large text: AA
Contrast with black, large text4.89:1WCAG large text: AAA

Named colours

Steel blue · ΔE 10.6Slate grey · ΔE 15.7Light slate grey · ΔE 15.8Cadetblue · ΔE 21.3Teal · ΔE 24.2Dark cyan · ΔE 25.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A26241
Analogous#41A293, #4150A2
Triadic#A24181, #81A241
Split complementary#A24150, #A29341
Tetradic#9341A2, #A26241, #50A241

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7DDE8
Lighter +30%#A2C7DA
Lighter +20%#7EB1CB
Lighter +10%#599BBD
Darker −10%#32647E
Darker −20%#244759
Darker −30%#152A35
Darker −40%#070D10
More saturated +25%#258ABE
Less saturated −25%#5D7886

Channel breakdown

R65
G129
B162
Red65 (25.5%)
Green129 (50.6%)
Blue162 (63.5%)
Hue200.41°
Saturation (HSL)42.73%
Lightness44.51%
Dominant channelBlue
Hex per channelR 41 · G 81 · B A2

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Every value on this page was computed from “4181a2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.