Nerdulator> put something in

Recognised as Colour

#18191A

  • #18191A
  • Near-black
  • Dark
  • Nearest: Black

#18191A is a near-black with RGB values 24, 25, 26 and HSL 210°, 4%, 10%. It is a dark colour, so white text on it reaches 17.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#18191A#18191A
HEX#18191A
RGBrgb(24, 25, 26)
RGB (0–1)0.0941, 0.098, 0.102
RGB percentages9.4%, 9.8%, 10.2%
HSLhsl(210, 4%, 9.8%)
HSV / HSBhsv(210, 7.7%, 10.2%)
CMYK7.7%, 3.8%, 0%, 89.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,579,290
CSS custom property--colour: #18191A;

Brightness & contrast

Relative luminance0.00964WCAG 2.x, 0 is black and 1 is white
Perceived brightness24.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.61:1
Contrast with white17.61:1WCAG normal text: AAA
Contrast with black1.19:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#E7E6E5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#19191Ano red cones; affects about 1% of men; ΔE 0.5 from the original
Deuteranopia#18191Ano green cones; the most common form, about 1% of men; ΔE 0 from the original
Tritanopia#181919no blue cones; rare, and affects men and women equally; ΔE 0.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.61:1WCAG large text: AAA
Contrast with black, large text1.19:1WCAG large text: Fail

Named colours

Black · ΔE 8.7Dark slate grey · ΔE 25.5Dim grey · ΔE 35.7Gray · ΔE 44.9Slate grey · ΔE 45.2Light slate grey · ΔE 48.4
Nearest named CSS colourBlack (#000000)ΔE 8.73, clearly different but related
Hue familynear-black
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1A1918
Analogous#181A1A, #18181A
Triadic#1A1819, #191A18
Split complementary#1A1818, #1A1A18
Tetradic#1A181A, #1A1918, #181A18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7A7F84
Lighter +30%#61666A
Lighter +20%#494C4F
Lighter +10%#303335
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#121920
Less saturated −25%#191919

Channel breakdown

R24
G25
B26
Red24 (9.4%)
Green25 (9.8%)
Blue26 (10.2%)
Hue210°
Saturation (HSL)4%
Lightness9.8%
Dominant channelBlue
Hex per channelR 18 · G 19 · B 1A

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “18191a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.