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Recognised as Colour

#145F63

  • #145F63
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#145F63 is a cyan with RGB values 20, 95, 99 and HSL 183°, 66%, 23%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#145F63#145F63
HEX#145F63
RGBrgb(20, 95, 99)
RGB (0–1)0.0784, 0.3725, 0.3882
RGB percentages7.8%, 37.3%, 38.8%
HSLhsl(183, 66.4%, 23.3%)
HSV / HSBhsv(183, 79.8%, 38.8%)
CMYK79.8%, 4%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,335,139
CSS custom property--colour: #145F63;

Brightness & contrast

Relative luminance0.09234WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.38:1
Contrast with white7.38:1WCAG normal text: AAA
Contrast with black2.85:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#EBA09C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#575A63no red cones; affects about 1% of men; ΔE 21.3 from the original
Deuteranopia#4C5263no green cones; the most common form, about 1% of men; ΔE 22.1 from the original
Tritanopia#006360no blue cones; rare, and affects men and women equally; ΔE 6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.38:1WCAG large text: AAA
Contrast with black, large text2.85:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.1Teal · ΔE 14.7Dark cyan · ΔE 18.9Dim grey · ΔE 23.3Slate grey · ΔE 24.4Cadetblue · ΔE 24.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.06, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#631814
Analogous#146340, #143763
Triadic#63145F, #5F6314
Split complementary#631437, #634014
Tetradic#401463, #631814, #376314

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#63D9E0
Lighter +30%#39CFD7
Lighter +20%#25B0B8
Lighter +10%#1D888D
Darker −10%#0B3639
Darker −20%#030E0E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#056C72
Less saturated −25%#235254

Channel breakdown

R20
G95
B99
Red20 (7.8%)
Green95 (37.3%)
Blue99 (38.8%)
Hue183.04°
Saturation (HSL)66.39%
Lightness23.33%
Dominant channelBlue
Hex per channelR 14 · G 5F · B 63

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Every value on this page was computed from “145f63” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.