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Recognised as Colour

#45589C

  • #45589C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#45589C is a blue with RGB values 69, 88, 156 and HSL 227°, 39%, 44%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#45589C#45589C
HEX#45589C
RGBrgb(69, 88, 156)
RGB (0–1)0.2706, 0.3451, 0.6118
RGB percentages27.1%, 34.5%, 61.2%
HSLhsl(226.9, 38.7%, 44.1%)
HSV / HSBhsv(226.9, 55.8%, 61.2%)
CMYK55.8%, 43.6%, 0%, 38.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,544,668
CSS custom property--colour: #45589C;

Brightness & contrast

Relative luminance0.10645WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.71:1
Contrast with white6.71:1WCAG normal text: AA
Contrast with black3.13:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#BAA763

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B609Fno red cones; affects about 1% of men; ΔE 6.6 from the original
Deuteranopia#30589Bno green cones; the most common form, about 1% of men; ΔE 4.8 from the original
Tritanopia#166772no blue cones; rare, and affects men and women equally; ΔE 42 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.71:1WCAG large text: AAA
Contrast with black, large text3.13:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 15.2Steel blue · ΔE 23.3Cornflower blue · ΔE 25.3Slate blue · ΔE 29.8Royal blue · ΔE 30.2Medium purple · ΔE 30.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9C8945
Analogous#45849C, #5D459C
Triadic#9C4558, #589C45
Split complementary#9C5D45, #849C45
Tetradic#9C4584, #9C8945, #459C5D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7CEE6
Lighter +30%#A3AFD7
Lighter +20%#8090C7
Lighter +10%#5D71B7
Darker −10%#354479
Darker −20%#263055
Darker −30%#161C32
Darker −40%#06080F
More saturated +25%#2948B8
Less saturated −25%#616880

Channel breakdown

R69
G88
B156
Red69 (27.1%)
Green88 (34.5%)
Blue156 (61.2%)
Hue226.9°
Saturation (HSL)38.67%
Lightness44.12%
Dominant channelBlue
Hex per channelR 45 · G 58 · B 9C

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Every value on this page was computed from “45589c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.