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Colour

#445A74

  • #445A74
  • Blue
  • Dark
  • Nearest: Slate grey

#445A74 is a blue with RGB values 68, 90, 116 and HSL 213°, 26%, 36%. 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

#445A74#445A74
HEX#445A74
RGBrgb(68, 90, 116)
RGB (0–1)0.2667, 0.3529, 0.4549
RGB percentages26.7%, 35.3%, 45.5%
HSLhsl(212.5, 26.1%, 36.1%)
HSV / HSBhsv(212.5, 41.4%, 45.5%)
CMYK41.4%, 22.4%, 0%, 54.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,479,604
CSS custom property--colour: #445A74;

Brightness & contrast

Relative luminance0.09802WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.09:1
Contrast with white7.09:1WCAG normal text: AAA
Contrast with black2.96:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#BBA58B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#505B75no red cones; affects about 1% of men; ΔE 3.9 from the original
Deuteranopia#4A5673no green cones; the most common form, about 1% of men; ΔE 4.2 from the original
Tritanopia#336063no blue cones; rare, and affects men and women equally; ΔE 17.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.09:1WCAG large text: AAA
Contrast with black, large text2.96:1WCAG large text: Fail

Named colours

Slate grey · ΔE 16.8Dark slate grey · ΔE 18.4Dim grey · ΔE 18.8Light slate grey · ΔE 19.5Steel blue · ΔE 21.3Gray · ΔE 23.7
Nearest named CSS colourSlate grey (#708090)ΔE 16.84, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#745E44
Analogous#447274, #464474
Triadic#74445A, #5A7444
Split complementary#744644, #727444
Tetradic#744472, #745E44, #447446

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B2C1D2
Lighter +30%#92A7BF
Lighter +20%#728DAC
Lighter +10%#577394
Darker −10%#314154
Darker −20%#1E2834
Darker −30%#0B0F14
Darker −40%#000000
More saturated +25%#2D588B
Less saturated −25%#5B5C5D

Channel breakdown

R68
G90
B116
Red68 (26.7%)
Green90 (35.3%)
Blue116 (45.5%)
Hue212.5°
Saturation (HSL)26.09%
Lightness36.08%
Dominant channelBlue
Hex per channelR 44 · G 5A · B 74

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Every value on this page was computed from “445a74” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.