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Recognised as Colour

#445A8A

  • #445A8A
  • Blue
  • Dark
  • Nearest: Steel blue

#445A8A is a blue with RGB values 68, 90, 138 and HSL 221°, 34%, 40%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#445A8A#445A8A
HEX#445A8A
RGBrgb(68, 90, 138)
RGB (0–1)0.2667, 0.3529, 0.5412
RGB percentages26.7%, 35.3%, 54.1%
HSLhsl(221.1, 34%, 40.4%)
HSV / HSBhsv(221.1, 50.7%, 54.1%)
CMYK50.7%, 34.8%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,479,626
CSS custom property--colour: #445A8A;

Brightness & contrast

Relative luminance0.10376WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.83:1
Contrast with white6.83:1WCAG normal text: AA
Contrast with black3.08:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#BBA575

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#485E8Cno red cones; affects about 1% of men; ΔE 2.1 from the original
Deuteranopia#405889no green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#26646Bno blue cones; rare, and affects men and women equally; ΔE 30.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.83:1WCAG large text: AAA
Contrast with black, large text3.08:1WCAG large text: AA

Named colours

Steel blue · ΔE 17.4Slate grey · ΔE 24.9Dark slateblue · ΔE 25.1Light slate grey · ΔE 26.5Dim grey · ΔE 30.4Cornflower blue · ΔE 31
Nearest named CSS colourSteel blue (#4682B4)ΔE 17.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A7444
Analogous#447D8A, #51448A
Triadic#8A445A, #5A8A44
Split complementary#8A5144, #7D8A44
Tetradic#8A447D, #8A7444, #448A51

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCC7DE
Lighter +30%#9AAACD
Lighter +20%#788DBC
Lighter +10%#5671AB
Darker −10%#334468
Darker −20%#222D46
Darker −30%#111724
Darker −40%#010101
More saturated +25%#2A50A4
Less saturated −25%#5E6470

Channel breakdown

R68
G90
B138
Red68 (26.7%)
Green90 (35.3%)
Blue138 (54.1%)
Hue221.14°
Saturation (HSL)33.98%
Lightness40.39%
Dominant channelBlue
Hex per channelR 44 · G 5A · B 8A

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Every value on this page was computed from “445a8a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.