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Recognised as Colour

#445DA1

  • #445DA1
  • Blue
  • Dark
  • Nearest: Dark slateblue

#445DA1 is a blue with RGB values 68, 93, 161 and HSL 224°, 41%, 45%. 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

#445DA1#445DA1
HEX#445DA1
RGBrgb(68, 93, 161)
RGB (0–1)0.2667, 0.3647, 0.6314
RGB percentages26.7%, 36.5%, 63.1%
HSLhsl(223.9, 40.6%, 44.9%)
HSV / HSBhsv(223.9, 57.8%, 63.1%)
CMYK57.8%, 42.2%, 0%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,480,417
CSS custom property--colour: #445DA1;

Brightness & contrast

Relative luminance0.11631WCAG 2.x, 0 is black and 1 is white
Perceived brightness97 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.31:1
Contrast with white6.31:1WCAG normal text: AA
Contrast with black3.33:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#BBA25E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4064A4no red cones; affects about 1% of men; ΔE 4.9 from the original
Deuteranopia#345CA0no green cones; the most common form, about 1% of men; ΔE 3.3 from the original
Tritanopia#026C77no blue cones; rare, and affects men and women equally; ΔE 42.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.31:1WCAG large text: AAA
Contrast with black, large text3.33:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 17.5Steel blue · ΔE 21.2Cornflower blue · ΔE 23.5Royal blue · ΔE 30.2Dodgerblue · ΔE 30.2Slate blue · ΔE 30.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.49, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A18844
Analogous#448BA1, #5A44A1
Triadic#A1445D, #5DA144
Split complementary#A15A44, #8BA144
Tetradic#A1448B, #A18844, #44A15A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9D1E8
Lighter +30%#A5B3D9
Lighter +20%#8195CA
Lighter +10%#5D76BB
Darker −10%#35487D
Darker −20%#263459
Darker −30%#171F35
Darker −40%#070A12
More saturated +25%#2750BE
Less saturated −25%#616A84

Channel breakdown

R68
G93
B161
Red68 (26.7%)
Green93 (36.5%)
Blue161 (63.1%)
Hue223.87°
Saturation (HSL)40.61%
Lightness44.9%
Dominant channelBlue
Hex per channelR 44 · G 5D · B A1

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Every value on this page was computed from “445da1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.