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Recognised as Colour

#011815

  • #011815
  • Cyan
  • Dark
  • Nearest: Black

#011815 is a cyan with RGB values 1, 24, 21 and HSL 172°, 92%, 5%. It is a dark colour, so white text on it reaches 18.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#011815#011815
HEX#011815
RGBrgb(1, 24, 21)
RGB (0–1)0.0039, 0.0941, 0.0824
RGB percentages0.4%, 9.4%, 8.2%
HSLhsl(172.2, 92%, 4.9%)
HSV / HSBhsv(172.2, 95.8%, 9.4%)
CMYK95.8%, 0%, 12.5%, 90.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer71,701
CSS custom property--colour: #011815;

Brightness & contrast

Relative luminance0.00714WCAG 2.x, 0 is black and 1 is white
Perceived brightness19.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.38:1
Contrast with white18.38:1WCAG normal text: AAA
Contrast with black1.14:1WCAG normal text: Fail
Greyscale equivalent#131313
Inverted#FEE7EA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#161615no red cones; affects about 1% of men; ΔE 8.3 from the original
Deuteranopia#121315no green cones; the most common form, about 1% of men; ΔE 8.5 from the original
Tritanopia#001917no blue cones; rare, and affects men and women equally; ΔE 1.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.38:1WCAG large text: AAA
Contrast with black, large text1.14:1WCAG large text: Fail

Named colours

Black · ΔE 10.6Dark slate grey · ΔE 25.2Dim grey · ΔE 38.9Teal · ΔE 47.2Slate grey · ΔE 47.8Gray · ΔE 47.9
Nearest named CSS colourBlack (#000000)ΔE 10.57, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#180104
Analogous#011809, #011018
Triadic#150118, #181501
Split complementary#180110, #180901
Tetradic#090118, #180104, #101801

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#09DCC0
Lighter +30%#07AB96
Lighter +20%#057A6B
Lighter +10%#034940
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001916
Less saturated −25%#041513

Channel breakdown

R1
G24
B21
Red1 (0.4%)
Green24 (9.4%)
Blue21 (8.2%)
Hue172.17°
Saturation (HSL)92%
Lightness4.9%
Dominant channelGreen
Hex per channelR 01 · G 18 · B 15

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Every value on this page was computed from “hex 011815” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.