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Recognised as Colour

#031516

  • #031516
  • Cyan
  • Dark
  • Nearest: Black

#031516 is a cyan with RGB values 3, 21, 22 and HSL 183°, 76%, 5%. It is a dark colour, so white text on it reaches 18.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#031516#031516
HEX#031516
RGBrgb(3, 21, 22)
RGB (0–1)0.0118, 0.0824, 0.0863
RGB percentages1.2%, 8.2%, 8.6%
HSLhsl(183.2, 76%, 4.9%)
HSV / HSBhsv(183.2, 86.4%, 8.6%)
CMYK86.4%, 4.5%, 0%, 91.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer202,006
CSS custom property--colour: #031516;

Brightness & contrast

Relative luminance0.00614WCAG 2.x, 0 is black and 1 is white
Perceived brightness17.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.7:1
Contrast with white18.7:1WCAG normal text: AAA
Contrast with black1.12:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#FCEAE9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#131416no red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#0F1116no green cones; the most common form, about 1% of men; ΔE 5.9 from the original
Tritanopia#001615no blue cones; rare, and affects men and women equally; ΔE 1.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.7:1WCAG large text: AAA
Contrast with black, large text1.12:1WCAG large text: Fail

Named colours

Black · ΔE 8.2Dark slate grey · ΔE 26.5Dim grey · ΔE 39.3Slate grey · ΔE 48.1Gray · ΔE 48.4Teal · ΔE 49.1
Nearest named CSS colourBlack (#000000)ΔE 8.2, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#160403
Analogous#03160D, #030C16
Triadic#160315, #151603
Split complementary#16030C, #160D03
Tetradic#0D0316, #160403, #0C1603

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1BC0CA
Lighter +30%#15969D
Lighter +20%#0F6B70
Lighter +10%#094043
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001819
Less saturated −25%#061213

Channel breakdown

R3
G21
B22
Red3 (1.2%)
Green21 (8.2%)
Blue22 (8.6%)
Hue183.16°
Saturation (HSL)76%
Lightness4.9%
Dominant channelBlue
Hex per channelR 03 · G 15 · B 16

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Every value on this page was computed from “hex 031516” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.