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Colour

#445B66

  • #445B66
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#445B66 is a cyan with RGB values 68, 91, 102 and HSL 199°, 20%, 33%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#445B66#445B66
HEX#445B66
RGBrgb(68, 91, 102)
RGB (0–1)0.2667, 0.3569, 0.4
RGB percentages26.7%, 35.7%, 40%
HSLhsl(199.4, 20%, 33.3%)
HSV / HSBhsv(199.4, 33.3%, 40%)
CMYK33.3%, 10.8%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,479,846
CSS custom property--colour: #445B66;

Brightness & contrast

Relative luminance0.0967WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.16:1
Contrast with white7.16:1WCAG normal text: AAA
Contrast with black2.93:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#BBA499

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#555A67no red cones; affects about 1% of men; ΔE 6.9 from the original
Deuteranopia#505666no green cones; the most common form, about 1% of men; ΔE 7.3 from the original
Tritanopia#395E5Eno blue cones; rare, and affects men and women equally; ΔE 8.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.16:1WCAG large text: AAA
Contrast with black, large text2.93:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.1Dim grey · ΔE 12.9Slate grey · ΔE 16.1Light slate grey · ΔE 19.1Gray · ΔE 19.6Teal · ΔE 25.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.05, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#664F44
Analogous#446660, #444A66
Triadic#66445B, #5B6644
Split complementary#66444A, #666044
Tetradic#604466, #664F44, #4A6644

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADC0C9
Lighter +30%#8FA8B4
Lighter +20%#7090A0
Lighter +10%#587685
Darker −10%#304047
Darker −20%#1B2429
Darker −30%#07090A
Darker −40%#000000
More saturated +25%#2F627B
Less saturated −25%#555555

Channel breakdown

R68
G91
B102
Red68 (26.7%)
Green91 (35.7%)
Blue102 (40%)
Hue199.41°
Saturation (HSL)20%
Lightness33.33%
Dominant channelBlue
Hex per channelR 44 · G 5B · B 66

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Every value on this page was computed from “445b66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.