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Recognised as Colour

#04576C

  • #04576C
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#04576C is a cyan with RGB values 4, 87, 108 and HSL 192°, 93%, 22%. 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

#04576C#04576C
HEX#04576C
RGBrgb(4, 87, 108)
RGB (0–1)0.0157, 0.3412, 0.4235
RGB percentages1.6%, 34.1%, 42.4%
HSLhsl(192.1, 92.9%, 22%)
HSV / HSBhsv(192.1, 96.3%, 42.4%)
CMYK96.3%, 19.4%, 0%, 57.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer284,524
CSS custom property--colour: #04576C;

Brightness & contrast

Relative luminance0.07925WCAG 2.x, 0 is black and 1 is white
Perceived brightness76 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.12:1
Contrast with white8.12:1WCAG normal text: AAA
Contrast with black2.58:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#FBA893

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B556Dno red cones; affects about 1% of men; ΔE 16.6 from the original
Deuteranopia#3E4C6Cno green cones; the most common form, about 1% of men; ΔE 17.6 from the original
Tritanopia#005E5Eno blue cones; rare, and affects men and women equally; ΔE 14.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.12:1WCAG large text: AAA
Contrast with black, large text2.58:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.9Teal · ΔE 23Slate grey · ΔE 23.6Steel blue · ΔE 25.2Dim grey · ΔE 25.3Light slate grey · ΔE 26
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.93, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6C1904
Analogous#046C4D, #04236C
Triadic#6C0457, #576C04
Split complementary#6C0423, #6C4D04
Tetradic#4D046C, #6C1904, #236C04

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#44D4F8
Lighter +30%#13C8F6
Lighter +20%#08A6CE
Lighter +10%#067F9D
Darker −10%#022F3B
Darker −20%#00080A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005970
Less saturated −25%#124F5E

Channel breakdown

R4
G87
B108
Red4 (1.6%)
Green87 (34.1%)
Blue108 (42.4%)
Hue192.12°
Saturation (HSL)92.86%
Lightness21.96%
Dominant channelBlue
Hex per channelR 04 · G 57 · B 6C

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Every value on this page was computed from “04576c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.