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Recognised as Colour

#045F68

  • #045F68
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#045F68 is a cyan with RGB values 4, 95, 104 and HSL 185°, 93%, 21%. 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

#045F68#045F68
HEX#045F68
RGBrgb(4, 95, 104)
RGB (0–1)0.0157, 0.3725, 0.4078
RGB percentages1.6%, 37.3%, 40.8%
HSLhsl(185.4, 92.6%, 21.2%)
HSV / HSBhsv(185.4, 96.2%, 40.8%)
CMYK96.2%, 8.7%, 0%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer286,568
CSS custom property--colour: #045F68;

Brightness & contrast

Relative luminance0.0921WCAG 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 7.39:1
Contrast with white7.39:1WCAG normal text: AAA
Contrast with black2.84:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#FBA097

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#565B69no red cones; affects about 1% of men; ΔE 21.5 from the original
Deuteranopia#495268no green cones; the most common form, about 1% of men; ΔE 22.1 from the original
Tritanopia#006462no blue cones; rare, and affects men and women equally; ΔE 7.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.39:1WCAG large text: AAA
Contrast with black, large text2.84:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.6Teal · ΔE 15.3Dark cyan · ΔE 19.3Slate grey · ΔE 24.2Dim grey · ΔE 24.5Cadetblue · ΔE 25.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.61, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#680D04
Analogous#04683F, #042D68
Triadic#68045F, #5F6804
Split complementary#68042D, #683F04
Tetradic#3F0468, #680D04, #2D6804

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#40E7F8
Lighter +30%#0FE1F6
Lighter +20%#08B9CA
Lighter +10%#068C99
Darker −10%#023237
Darker −20%#000506
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00626C
Less saturated −25%#12545A

Channel breakdown

R4
G95
B104
Red4 (1.6%)
Green95 (37.3%)
Blue104 (40.8%)
Hue185.4°
Saturation (HSL)92.59%
Lightness21.18%
Dominant channelBlue
Hex per channelR 04 · G 5F · B 68

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Every value on this page was computed from “045f68” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.