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Recognised as Colour

#045771

  • #045771
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#045771 is a cyan with RGB values 4, 87, 113 and HSL 194°, 93%, 23%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#045771#045771
HEX#045771
RGBrgb(4, 87, 113)
RGB (0–1)0.0157, 0.3412, 0.4431
RGB percentages1.6%, 34.1%, 44.3%
HSLhsl(194.3, 93.2%, 22.9%)
HSV / HSBhsv(194.3, 96.5%, 44.3%)
CMYK96.5%, 23%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer284,529
CSS custom property--colour: #045771;

Brightness & contrast

Relative luminance0.08034WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.06:1
Contrast with white8.06:1WCAG normal text: AAA
Contrast with black2.61:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#FBA88E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#495572no red cones; affects about 1% of men; ΔE 15.4 from the original
Deuteranopia#3C4C71no green cones; the most common form, about 1% of men; ΔE 16.7 from the original
Tritanopia#005E60no blue cones; rare, and affects men and women equally; ΔE 16.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.06:1WCAG large text: AAA
Contrast with black, large text2.61:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.5Steel blue · ΔE 22.9Slate grey · ΔE 23.6Teal · ΔE 25.4Light slate grey · ΔE 25.9Dim grey · ΔE 26.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.54, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#711E04
Analogous#047155, #042071
Triadic#710457, #577104
Split complementary#710421, #715504
Tetradic#540471, #711E04, #207104

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#48CFF9
Lighter +30%#17C1F7
Lighter +20%#07A3D4
Lighter +10%#067DA2
Darker −10%#023140
Darker −20%#010B0E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005975
Less saturated −25%#134F62

Channel breakdown

R4
G87
B113
Red4 (1.6%)
Green87 (34.1%)
Blue113 (44.3%)
Hue194.31°
Saturation (HSL)93.16%
Lightness22.94%
Dominant channelBlue
Hex per channelR 04 · G 57 · B 71

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Every value on this page was computed from “hex 045771” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.