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Recognised as Colour

#0A1718

  • #0A1718
  • Cyan
  • Dark
  • Nearest: Black

#0A1718 is a cyan with RGB values 10, 23, 24 and HSL 184°, 41%, 7%. It is a dark colour, so white text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0A1718#0A1718
HEX#0A1718
RGBrgb(10, 23, 24)
RGB (0–1)0.0392, 0.0902, 0.0941
RGB percentages3.9%, 9%, 9.4%
HSLhsl(184.3, 41.2%, 6.7%)
HSV / HSBhsv(184.3, 58.3%, 9.4%)
CMYK58.3%, 4.2%, 0%, 90.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer661,272
CSS custom property--colour: #0A1718;

Brightness & contrast

Relative luminance0.00743WCAG 2.x, 0 is black and 1 is white
Perceived brightness20.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.28:1
Contrast with white18.28:1WCAG normal text: AAA
Contrast with black1.15:1WCAG normal text: Fail
Greyscale equivalent#141414
Inverted#F5E8E7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#151618no red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#131418no green cones; the most common form, about 1% of men; ΔE 5.1 from the original
Tritanopia#051817no blue cones; rare, and affects men and women equally; ΔE 2.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.28:1WCAG large text: AAA
Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Black · ΔE 8.4Dark slate grey · ΔE 25.6Dim grey · ΔE 38Slate grey · ΔE 46.9Gray · ΔE 47.1Teal · ΔE 48.5
Nearest named CSS colourBlack (#000000)ΔE 8.43, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#180B0A
Analogous#0A1812, #0A1018
Triadic#180A17, #17180A
Split complementary#180A10, #18120A
Tetradic#120A18, #180B0A, #10180A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#46A1A8
Lighter +30%#377F84
Lighter +20%#285C60
Lighter +10%#193A3C
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#061B1C
Less saturated −25%#0E1314

Channel breakdown

R10
G23
B24
Red10 (3.9%)
Green23 (9%)
Blue24 (9.4%)
Hue184.29°
Saturation (HSL)41.18%
Lightness6.67%
Dominant channelBlue
Hex per channelR 0A · G 17 · B 18

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Every value on this page was computed from “0a1718” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.