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Recognised as Colour

#4153AC

  • #4153AC
  • Blue
  • Dark
  • Nearest: Dark slateblue

#4153AC is a blue with RGB values 65, 83, 172 and HSL 230°, 45%, 46%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#4153AC#4153AC
HEX#4153AC
RGBrgb(65, 83, 172)
RGB (0–1)0.2549, 0.3255, 0.6745
RGB percentages25.5%, 32.5%, 67.5%
HSLhsl(229.9, 45.1%, 46.5%)
HSV / HSBhsv(229.9, 62.2%, 67.5%)
CMYK62.2%, 51.7%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,281,260
CSS custom property--colour: #4153AC;

Brightness & contrast

Relative luminance0.10289WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.87:1
Contrast with white6.87:1WCAG normal text: AA
Contrast with black3.06:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#BEAC53

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#205FAFno red cones; affects about 1% of men; ΔE 11.8 from the original
Deuteranopia#0056AAno green cones; the most common form, about 1% of men; ΔE 9.7 from the original
Tritanopia#006877no blue cones; rare, and affects men and women equally; ΔE 53.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.87:1WCAG large text: AAA
Contrast with black, large text3.06:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 11.8Slate blue · ΔE 18Royal blue · ΔE 18.7Rebecca purple · ΔE 22.3Medium purple · ΔE 22.6Midnight blue · ΔE 24.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.81, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AC9A41
Analogous#4189AC, #6441AC
Triadic#AC4153, #53AC41
Split complementary#AC6441, #89AC41
Tetradic#AC4189, #AC9A41, #41AC64

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CDD2EC
Lighter +30%#A8B1DE
Lighter +20%#8390D0
Lighter +10%#5E6FC2
Darker −10%#334187
Darker −20%#252F62
Darker −30%#171D3D
Darker −40%#090C18
More saturated +25%#233FCA
Less saturated −25%#5F678E

Channel breakdown

R65
G83
B172
Red65 (25.5%)
Green83 (32.5%)
Blue172 (67.5%)
Hue229.91°
Saturation (HSL)45.15%
Lightness46.47%
Dominant channelBlue
Hex per channelR 41 · G 53 · B AC

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Every value on this page was computed from “4153ac” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.