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Recognised as Colour

#012819

  • #012819
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#012819 is a cyan with RGB values 1, 40, 25 and HSL 157°, 95%, 8%. It is a dark colour, so white text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#012819#012819
HEX#012819
RGBrgb(1, 40, 25)
RGB (0–1)0.0039, 0.1569, 0.098
RGB percentages0.4%, 15.7%, 9.8%
HSLhsl(156.9, 95.1%, 8%)
HSV / HSBhsv(156.9, 97.5%, 15.7%)
CMYK97.5%, 0%, 37.5%, 84.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer75,801
CSS custom property--colour: #012819;

Brightness & contrast

Relative luminance0.01594WCAG 2.x, 0 is black and 1 is white
Perceived brightness31.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.92:1
Contrast with white15.92:1WCAG normal text: AAA
Contrast with black1.32:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#FED7E6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#272418no red cones; affects about 1% of men; ΔE 17.4 from the original
Deuteranopia#22201Ano green cones; the most common form, about 1% of men; ΔE 18 from the original
Tritanopia#002824no blue cones; rare, and affects men and women equally; ΔE 8.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.92:1WCAG large text: AAA
Contrast with black, large text1.32:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 21.6Black · ΔE 23.3Dim grey · ΔE 36.7Dark olivegreen · ΔE 38Teal · ΔE 39.4Dark cyan · ΔE 43.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 21.58, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#280110
Analogous#012805, #012428
Triadic#190128, #281901
Split complementary#280124, #280501
Tetradic#050128, #280110, #242801

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#06EF95
Lighter +30%#05BD76
Lighter +20%#038C57
Lighter +10%#025A38
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002919
Less saturated −25%#062318

Channel breakdown

R1
G40
B25
Red1 (0.4%)
Green40 (15.7%)
Blue25 (9.8%)
Hue156.92°
Saturation (HSL)95.12%
Lightness8.04%
Dominant channelGreen
Hex per channelR 01 · G 28 · B 19

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Every value on this page was computed from “hex 012819” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.