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Recognised as Colour

#16161B

  • #16161B
  • Blue
  • Dark
  • Nearest: Black

#16161B is a blue with RGB values 22, 22, 27 and HSL 240°, 10%, 10%. It is a dark colour, so white text on it reaches 18:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#16161B#16161B
HEX#16161B
RGBrgb(22, 22, 27)
RGB (0–1)0.0863, 0.0863, 0.1059
RGB percentages8.6%, 8.6%, 10.6%
HSLhsl(240, 10.2%, 9.6%)
HSV / HSBhsv(240, 18.5%, 10.6%)
CMYK18.5%, 18.5%, 0%, 89.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,447,451
CSS custom property--colour: #16161B;

Brightness & contrast

Relative luminance0.00824WCAG 2.x, 0 is black and 1 is white
Perceived brightness22.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.03:1
Contrast with white18.03:1WCAG normal text: AAA
Contrast with black1.16:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#E9E9E4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#15171Bno red cones; affects about 1% of men; ΔE 1.3 from the original
Deuteranopia#15161Bno green cones; the most common form, about 1% of men; ΔE 0.5 from the original
Tritanopia#151718no blue cones; rare, and affects men and women equally; ΔE 3.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.03:1WCAG large text: AAA
Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Black · ΔE 8.3Dark slate grey · ΔE 27.2Dim grey · ΔE 37.2Slate grey · ΔE 46.1Gray · ΔE 46.3Light slate grey · ΔE 49.2
Nearest named CSS colourBlack (#000000)ΔE 8.33, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1B1B16
Analogous#16181B, #18161B
Triadic#1B1616, #161B16
Split complementary#1B1816, #181B16
Tetradic#1B1618, #1B1B16, #161B18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#72728B
Lighter +30%#5B5B6F
Lighter +20%#444453
Lighter +10%#2D2D37
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#101021
Less saturated −25%#181818

Channel breakdown

R22
G22
B27
Red22 (8.6%)
Green22 (8.6%)
Blue27 (10.6%)
Hue240°
Saturation (HSL)10.2%
Lightness9.61%
Dominant channelBlue
Hex per channelR 16 · G 16 · B 1B

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Every value on this page was computed from “16161b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.