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Recognised as Colour

#006578

  • #006578
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#006578 is a cyan with RGB values 0, 101, 120 and HSL 190°, 100%, 24%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#006578#006578
HEX#006578
RGBrgb(0, 101, 120)
RGB (0–1)0, 0.3961, 0.4706
RGB percentages0%, 39.6%, 47.1%
HSLhsl(189.5, 100%, 23.5%)
HSV / HSBhsv(189.5, 100%, 47.1%)
CMYK100%, 15.8%, 0%, 52.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer25,976
CSS custom property--colour: #006578;

Brightness & contrast

Relative luminance0.10663WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.7:1
Contrast with white6.7:1WCAG normal text: AA
Contrast with black3.13:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#FF9A87

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#586279no red cones; affects about 1% of men; ΔE 19.9 from the original
Deuteranopia#4A5778no green cones; the most common form, about 1% of men; ΔE 21.7 from the original
Tritanopia#006C6Bno blue cones; rare, and affects men and women equally; ΔE 13.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.7:1WCAG large text: AAA
Contrast with black, large text3.13:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 17Teal · ΔE 17.2Dark cyan · ΔE 20.5Slate grey · ΔE 21.9Light slate grey · ΔE 23.8Steel blue · ΔE 23.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.03, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#781300
Analogous#00784F, #002978
Triadic#780065, #657800
Split complementary#780029, #784F00
Tetradic#4F0078, #781300, #297800

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#45E2FF
Lighter +30%#12D9FF
Lighter +20%#00BBDE
Lighter +10%#0090AB
Darker −10%#003A45
Darker −20%#000F12
Darker −30%#000000
Darker −40%#000000
More saturated +25%#006578
Less saturated −25%#0F5B69

Channel breakdown

R0
G101
B120
Red0 (0%)
Green101 (39.6%)
Blue120 (47.1%)
Hue189.5°
Saturation (HSL)100%
Lightness23.53%
Dominant channelBlue
Hex per channelR 00 · G 65 · B 78

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Every value on this page was computed from “hex 006578” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.