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Colour

#173F32

  • #173F32
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#173F32 is a cyan with RGB values 23, 63, 50 and HSL 161°, 47%, 17%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#173F32#173F32
HEX#173F32
RGBrgb(23, 63, 50)
RGB (0–1)0.0902, 0.2471, 0.1961
RGB percentages9%, 24.7%, 19.6%
HSLhsl(160.5, 46.5%, 16.9%)
HSV / HSBhsv(160.5, 63.5%, 24.7%)
CMYK63.5%, 0%, 20.6%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,523,506
CSS custom property--colour: #173F32;

Brightness & contrast

Relative luminance0.03967WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.71:1
Contrast with white11.71:1WCAG normal text: AAA
Contrast with black1.79:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#E8C0CD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D3B31no red cones; affects about 1% of men; ΔE 16.9 from the original
Deuteranopia#373633no green cones; the most common form, about 1% of men; ΔE 17.7 from the original
Tritanopia#043F3Bno blue cones; rare, and affects men and women equally; ΔE 6.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.71:1WCAG large text: AAA
Contrast with black, large text1.79:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.4Dim grey · ΔE 27.7Teal · ΔE 29.7Black · ΔE 29.8Dark olivegreen · ΔE 32.7Dark cyan · ΔE 33.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.37, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3F1724
Analogous#173F1E, #17383F
Triadic#32173F, #3F3217
Split complementary#3F1738, #3F1E17
Tetradic#1E173F, #3F1724, #383F17

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5EC4A3
Lighter +30%#40AF8B
Lighter +20%#328A6D
Lighter +10%#256450
Darker −10%#091A14
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0C4A36
Less saturated −25%#22342E

Channel breakdown

R23
G63
B50
Red23 (9%)
Green63 (24.7%)
Blue50 (19.6%)
Hue160.5°
Saturation (HSL)46.51%
Lightness16.86%
Dominant channelGreen
Hex per channelR 17 · G 3F · B 32

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Every value on this page was computed from “173f32” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.