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Recognised as Colour

#005040

  • #005040
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#005040 is a cyan with RGB values 0, 80, 64 and HSL 168°, 100%, 16%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#005040#005040
HEX#005040
RGBrgb(0, 80, 64)
RGB (0–1)0, 0.3137, 0.251
RGB percentages0%, 31.4%, 25.1%
HSLhsl(168, 100%, 15.7%)
HSV / HSBhsv(168, 100%, 31.4%)
CMYK100%, 0%, 20%, 68.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer20,544
CSS custom property--colour: #005040;

Brightness & contrast

Relative luminance0.06107WCAG 2.x, 0 is black and 1 is white
Perceived brightness65 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.45:1
Contrast with white9.45:1WCAG normal text: AAA
Contrast with black2.22:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#FFAFBF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4D4A3Fno red cones; affects about 1% of men; ΔE 25.4 from the original
Deuteranopia#444341no green cones; the most common form, about 1% of men; ΔE 26.1 from the original
Tritanopia#00514Bno blue cones; rare, and affects men and women equally; ΔE 6.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.45:1WCAG large text: AAA
Contrast with black, large text2.22:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.1Teal · ΔE 22.2Dark cyan · ΔE 26.1Dim grey · ΔE 30.1Sea green · ΔE 30.7Dark olivegreen · ΔE 30.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.05, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#500010
Analogous#005018, #003850
Triadic#400050, #504000
Split complementary#500038, #501800
Tetradic#180050, #500010, #385000

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1DFFD2
Lighter +30%#00E9BA
Lighter +20%#00B692
Lighter +10%#008369
Darker −10%#001D17
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005040
Less saturated −25%#0A463A

Channel breakdown

R0
G80
B64
Red0 (0%)
Green80 (31.4%)
Blue64 (25.1%)
Hue168°
Saturation (HSL)100%
Lightness15.69%
Dominant channelGreen
Hex per channelR 00 · G 50 · B 40

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Every value on this page was computed from “hex 005040” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.