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Recognised as Colour

#0A1813

  • #0A1813
  • Cyan
  • Dark
  • Nearest: Black

#0A1813 is a cyan with RGB values 10, 24, 19 and HSL 159°, 41%, 7%. It is a dark colour, so white text on it reaches 18.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0A1813#0A1813
HEX#0A1813
RGBrgb(10, 24, 19)
RGB (0–1)0.0392, 0.0941, 0.0745
RGB percentages3.9%, 9.4%, 7.5%
HSLhsl(158.6, 41.2%, 6.7%)
HSV / HSBhsv(158.6, 58.3%, 9.4%)
CMYK58.3%, 0%, 20.8%, 90.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer661,523
CSS custom property--colour: #0A1813;

Brightness & contrast

Relative luminance0.00765WCAG 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 18.21:1
Contrast with white18.21:1WCAG normal text: AAA
Contrast with black1.15:1WCAG normal text: Fail
Greyscale equivalent#151515
Inverted#F5E7EC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#171613no red cones; affects about 1% of men; ΔE 6.3 from the original
Deuteranopia#151513no green cones; the most common form, about 1% of men; ΔE 6 from the original
Tritanopia#061817no blue cones; rare, and affects men and women equally; ΔE 2.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.21:1WCAG large text: AAA
Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Black · ΔE 9.6Dark slate grey · ΔE 25.4Dim grey · ΔE 38.1Gray · ΔE 47.1Dark olivegreen · ΔE 47.5Slate grey · ΔE 47.7
Nearest named CSS colourBlack (#000000)ΔE 9.56, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#180A0F
Analogous#0A180C, #0A1618
Triadic#130A18, #18130A
Split complementary#180A16, #180C0A
Tetradic#0C0A18, #180A0F, #16180A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#46A885
Lighter +30%#378469
Lighter +20%#28604C
Lighter +10%#193C30
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#061C14
Less saturated −25%#0E1412

Channel breakdown

R10
G24
B19
Red10 (3.9%)
Green24 (9.4%)
Blue19 (7.5%)
Hue158.57°
Saturation (HSL)41.18%
Lightness6.67%
Dominant channelGreen
Hex per channelR 0A · G 18 · B 13

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Every value on this page was computed from “0a1813” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.