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Recognised as Colour

#445AB3

  • #445AB3
  • Blue
  • Dark
  • Nearest: Dark slateblue

#445AB3 is a blue with RGB values 68, 90, 179 and HSL 228°, 45%, 48%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#445AB3#445AB3
HEX#445AB3
RGBrgb(68, 90, 179)
RGB (0–1)0.2667, 0.3529, 0.702
RGB percentages26.7%, 35.3%, 70.2%
HSLhsl(228.1, 44.9%, 48.4%)
HSV / HSBhsv(228.1, 62%, 70.2%)
CMYK62%, 49.7%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,479,667
CSS custom property--colour: #445AB3;

Brightness & contrast

Relative luminance0.11796WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.25:1
Contrast with white6.25:1WCAG normal text: AA
Contrast with black3.36:1WCAG normal text: Fail
Greyscale equivalent#5C5C5C
Inverted#BBA54C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2B66B6no red cones; affects about 1% of men; ΔE 11 from the original
Deuteranopia#135CB1no green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#006E7Eno blue cones; rare, and affects men and women equally; ΔE 52.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.25:1WCAG large text: AAA
Contrast with black, large text3.36:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 14.2Royal blue · ΔE 17.9Slate blue · ΔE 18.4Medium purple · ΔE 22Cornflower blue · ΔE 23.6Rebecca purple · ΔE 24.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.17, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B39D44
Analogous#4491B3, #6644B3
Triadic#B3445A, #5AB344
Split complementary#B36644, #91B344
Tetradic#B34491, #B39D44, #44B366

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D4D9EF
Lighter +30%#AFB9E1
Lighter +20%#8A99D3
Lighter +10%#6578C5
Darker −10%#36478E
Darker −20%#283569
Darker −30%#1A2244
Darker −40%#0C101F
More saturated +25%#2547D2
Less saturated −25%#636D94

Channel breakdown

R68
G90
B179
Red68 (26.7%)
Green90 (35.3%)
Blue179 (70.2%)
Hue228.11°
Saturation (HSL)44.94%
Lightness48.43%
Dominant channelBlue
Hex per channelR 44 · G 5A · B B3

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Every value on this page was computed from “445ab3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.