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Colour

#445A71

  • #445A71
  • Blue
  • Dark
  • Nearest: Slate grey

#445A71 is a blue with RGB values 68, 90, 113 and HSL 211°, 25%, 35%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Slate grey.

Colour values

#445A71#445A71
HEX#445A71
RGBrgb(68, 90, 113)
RGB (0–1)0.2667, 0.3529, 0.4431
RGB percentages26.7%, 35.3%, 44.3%
HSLhsl(210.7, 24.9%, 35.5%)
HSV / HSBhsv(210.7, 39.8%, 44.3%)
CMYK39.8%, 20.4%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,479,601
CSS custom property--colour: #445A71;

Brightness & contrast

Relative luminance0.09734WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.13:1
Contrast with white7.13:1WCAG normal text: AAA
Contrast with black2.95:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#BBA58E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#515A72no red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#4C5671no green cones; the most common form, about 1% of men; ΔE 5.2 from the original
Tritanopia#355F62no blue cones; rare, and affects men and women equally; ΔE 15.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.13:1WCAG large text: AAA
Contrast with black, large text2.95:1WCAG large text: Fail

Named colours

Slate grey · ΔE 16.3Dark slate grey · ΔE 16.7Dim grey · ΔE 17.4Light slate grey · ΔE 19.1Steel blue · ΔE 22.4Gray · ΔE 22.7
Nearest named CSS colourSlate grey (#708090)ΔE 16.32, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#715B44
Analogous#447171, #444471
Triadic#71445A, #5A7144
Split complementary#714444, #717144
Tetradic#714471, #715B44, #447144

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B1C0D0
Lighter +30%#91A7BD
Lighter +20%#718DAA
Lighter +10%#577391
Darker −10%#314151
Darker −20%#1E2731
Darker −30%#0B0E11
Darker −40%#000000
More saturated +25%#2D5988
Less saturated −25%#5A5A5A

Channel breakdown

R68
G90
B113
Red68 (26.7%)
Green90 (35.3%)
Blue113 (44.3%)
Hue210.67°
Saturation (HSL)24.86%
Lightness35.49%
Dominant channelBlue
Hex per channelR 44 · G 5A · B 71

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Every value on this page was computed from “445a71” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.