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Recognised as Colour

#4256AE

  • #4256AE
  • Blue
  • Dark
  • Nearest: Dark slateblue

#4256AE is a blue with RGB values 66, 86, 174 and HSL 229°, 45%, 47%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#4256AE#4256AE
HEX#4256AE
RGBrgb(66, 86, 174)
RGB (0–1)0.2588, 0.3373, 0.6824
RGB percentages25.9%, 33.7%, 68.2%
HSLhsl(228.9, 45%, 47.1%)
HSV / HSBhsv(228.9, 62.1%, 68.2%)
CMYK62.1%, 50.6%, 0%, 31.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,347,566
CSS custom property--colour: #4256AE;

Brightness & contrast

Relative luminance0.1087WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.62:1
Contrast with white6.62:1WCAG normal text: AA
Contrast with black3.17:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#BDA951

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2662B1no red cones; affects about 1% of men; ΔE 11.3 from the original
Deuteranopia#0C58ACno green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#006A7Ano blue cones; rare, and affects men and women equally; ΔE 52 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.62:1WCAG large text: AAA
Contrast with black, large text3.17:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 12.6Slate blue · ΔE 18.7Royal blue · ΔE 18.8Medium purple · ΔE 22.7Rebecca purple · ΔE 23.5Cornflower blue · ΔE 25.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.63, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AE9A42
Analogous#428CAE, #6442AE
Triadic#AE4256, #56AE42
Split complementary#AE6442, #8CAE42
Tetradic#AE428C, #AE9A42, #42AE64

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFD5ED
Lighter +30%#AAB4DF
Lighter +20%#8593D1
Lighter +10%#6072C3
Darker −10%#344489
Darker −20%#263164
Darker −30%#181F3F
Darker −40%#0A0D1A
More saturated +25%#2443CC
Less saturated −25%#606990

Channel breakdown

R66
G86
B174
Red66 (25.9%)
Green86 (33.7%)
Blue174 (68.2%)
Hue228.89°
Saturation (HSL)45%
Lightness47.06%
Dominant channelBlue
Hex per channelR 42 · G 56 · B AE

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Every value on this page was computed from “4256ae” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.