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Recognised as Colour

#004F75

  • #004F75
  • Cyan
  • Dark
  • Nearest: Steel blue

#004F75 is a cyan with RGB values 0, 79, 117 and HSL 199°, 100%, 23%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#004F75#004F75
HEX#004F75
RGBrgb(0, 79, 117)
RGB (0–1)0, 0.3098, 0.4588
RGB percentages0%, 31%, 45.9%
HSLhsl(199.5, 100%, 22.9%)
HSV / HSBhsv(199.5, 100%, 45.9%)
CMYK100%, 32.5%, 0%, 54.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer20,341
CSS custom property--colour: #004F75;

Brightness & contrast

Relative luminance0.06876WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.84:1
Contrast with white8.84:1WCAG normal text: AAA
Contrast with black2.38:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#FFB08A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3C4F77no red cones; affects about 1% of men; ΔE 10.8 from the original
Deuteranopia#2D4674no green cones; the most common form, about 1% of men; ΔE 11.7 from the original
Tritanopia#00595Cno blue cones; rare, and affects men and women equally; ΔE 24.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.84:1WCAG large text: AAA
Contrast with black, large text2.38:1WCAG large text: Fail

Named colours

Steel blue · ΔE 21.5Dark slate grey · ΔE 24.5Slate grey · ΔE 27.4Light slate grey · ΔE 29.6Dim grey · ΔE 30.9Teal · ΔE 34.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 21.52, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#752600
Analogous#007560, #001575
Triadic#75004F, #4F7500
Split complementary#750015, #756000
Tetradic#600075, #752600, #157500

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#42C2FF
Lighter +30%#0FB1FF
Lighter +20%#0094DB
Lighter +10%#0071A8
Darker −10%#002D42
Darker −20%#000A0F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004F75
Less saturated −25%#0F4A66

Channel breakdown

R0
G79
B117
Red0 (0%)
Green79 (31%)
Blue117 (45.9%)
Hue199.49°
Saturation (HSL)100%
Lightness22.94%
Dominant channelBlue
Hex per channelR 00 · G 4F · B 75

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Every value on this page was computed from “004f75” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.