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Recognised as Colour

#011111

  • #011111
  • Cyan
  • Dark
  • Nearest: Black

#011111 is a cyan with RGB values 1, 17, 17 and HSL 180°, 89%, 4%. It is a dark colour, so white text on it reaches 19.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#011111#011111
HEX#011111
RGBrgb(1, 17, 17)
RGB (0–1)0.0039, 0.0667, 0.0667
RGB percentages0.4%, 6.7%, 6.7%
HSLhsl(180, 88.9%, 3.5%)
HSV / HSBhsv(180, 94.1%, 6.7%)
CMYK94.1%, 0%, 0%, 93.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer69,905
CSS custom property--colour: #011111;

Brightness & contrast

Relative luminance0.00448WCAG 2.x, 0 is black and 1 is white
Perceived brightness14.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.27:1
Contrast with white19.27:1WCAG normal text: AAA
Contrast with black1.09:1WCAG normal text: Fail
Greyscale equivalent#0E0E0E
Inverted#FEEEEE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0F1011no red cones; affects about 1% of men; ΔE 4.6 from the original
Deuteranopia#0C0D11no green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#001211no blue cones; rare, and affects men and women equally; ΔE 0.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.27:1WCAG large text: AAA
Contrast with black, large text1.09:1WCAG large text: Fail

Named colours

Black · ΔE 6.3Dark slate grey · ΔE 28.2Dim grey · ΔE 40.7Slate grey · ΔE 49.7Gray · ΔE 49.8Teal · ΔE 50.9
Nearest named CSS colourBlack (#000000)ΔE 6.31, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#110101
Analogous#011109, #010911
Triadic#110111, #111101
Split complementary#110109, #110901
Tetradic#090111, #110101, #091101

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0CD2D2
Lighter +30%#09A2A2
Lighter +20%#077171
Lighter +10%#044141
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001212
Less saturated −25%#030F0F

Channel breakdown

R1
G17
B17
Red1 (0.4%)
Green17 (6.7%)
Blue17 (6.7%)
Hue180°
Saturation (HSL)88.89%
Lightness3.53%
Dominant channelGreen and Blue
Hex per channelR 01 · G 11 · B 11

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Every value on this page was computed from “hex 011111” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.