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Recognised as Colour

#045563

  • #045563
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#045563 is a cyan with RGB values 4, 85, 99 and HSL 189°, 92%, 20%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#045563#045563
HEX#045563
RGBrgb(4, 85, 99)
RGB (0–1)0.0157, 0.3333, 0.3882
RGB percentages1.6%, 33.3%, 38.8%
HSLhsl(188.8, 92.2%, 20.2%)
HSV / HSBhsv(188.8, 96%, 38.8%)
CMYK96%, 14.1%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer284,003
CSS custom property--colour: #045563;

Brightness & contrast

Relative luminance0.07424WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.45:1
Contrast with white8.45:1WCAG normal text: AAA
Contrast with black2.48:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#FBAA9C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B5264no red cones; affects about 1% of men; ΔE 18.2 from the original
Deuteranopia#3F4963no green cones; the most common form, about 1% of men; ΔE 19.4 from the original
Tritanopia#005A59no blue cones; rare, and affects men and women equally; ΔE 10.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.45:1WCAG large text: AAA
Contrast with black, large text2.48:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.6Teal · ΔE 20.9Dim grey · ΔE 24.5Slate grey · ΔE 24.8Dark cyan · ΔE 24.8Light slate grey · ΔE 27.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.55, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#631204
Analogous#046342, #042563
Triadic#630455, #556304
Split complementary#630425, #634204
Tetradic#420463, #631204, #256304

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3CDCF7
Lighter +30%#0BD3F5
Lighter +20%#08A9C5
Lighter +10%#067F94
Darker −10%#022B32
Darker −20%#000101
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005867
Less saturated −25%#114C56

Channel breakdown

R4
G85
B99
Red4 (1.6%)
Green85 (33.3%)
Blue99 (38.8%)
Hue188.84°
Saturation (HSL)92.23%
Lightness20.2%
Dominant channelBlue
Hex per channelR 04 · G 55 · B 63

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Every value on this page was computed from “hex 045563” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.