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Recognised as Colour

#445CA4

  • #445CA4
  • Blue
  • Dark
  • Nearest: Dark slateblue

#445CA4 is a blue with RGB values 68, 92, 164 and HSL 225°, 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

#445CA4#445CA4
HEX#445CA4
RGBrgb(68, 92, 164)
RGB (0–1)0.2667, 0.3608, 0.6431
RGB percentages26.7%, 36.1%, 64.3%
HSLhsl(225, 41.4%, 45.5%)
HSV / HSBhsv(225, 58.5%, 64.3%)
CMYK58.5%, 43.9%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,480,164
CSS custom property--colour: #445CA4;

Brightness & contrast

Relative luminance0.11564WCAG 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 6.34:1
Contrast with white6.34:1WCAG normal text: AA
Contrast with black3.31:1WCAG normal text: Fail
Greyscale equivalent#5C5C5C
Inverted#BBA35B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3C64A7no red cones; affects about 1% of men; ΔE 6.2 from the original
Deuteranopia#2F5BA2no green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#006C78no blue cones; rare, and affects men and women equally; ΔE 44.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.34:1WCAG large text: AAA
Contrast with black, large text3.31:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 15.9Cornflower blue · ΔE 23.1Steel blue · ΔE 23.2Royal blue · ΔE 27.8Slate blue · ΔE 28.2Medium purple · ΔE 28.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.91, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A48C44
Analogous#448CA4, #5C44A4
Triadic#A4445C, #5CA444
Split complementary#A45C44, #8CA444
Tetradic#A4448C, #A48C44, #44A45C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBD2E9
Lighter +30%#A7B4DA
Lighter +20%#8395CB
Lighter +10%#5F76BC
Darker −10%#354880
Darker −20%#26345C
Darker −30%#171F38
Darker −40%#080B14
More saturated +25%#274EC1
Less saturated −25%#616A87

Channel breakdown

R68
G92
B164
Red68 (26.7%)
Green92 (36.1%)
Blue164 (64.3%)
Hue225°
Saturation (HSL)41.38%
Lightness45.49%
Dominant channelBlue
Hex per channelR 44 · G 5C · B A4

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Every value on this page was computed from “445ca4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.