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Recognised as Colour

#21342F

  • #21342F
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#21342F is a cyan with RGB values 33, 52, 47 and HSL 164°, 22%, 17%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#21342F#21342F
HEX#21342F
RGBrgb(33, 52, 47)
RGB (0–1)0.1294, 0.2039, 0.1843
RGB percentages12.9%, 20.4%, 18.4%
HSLhsl(164.2, 22.4%, 16.7%)
HSV / HSBhsv(164.2, 36.5%, 20.4%)
CMYK36.5%, 0%, 9.6%, 79.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,176,047
CSS custom property--colour: #21342F;

Brightness & contrast

Relative luminance0.02985WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.15:1
Contrast with white13.15:1WCAG normal text: AAA
Contrast with black1.6:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#DECBD0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#33322Fno red cones; affects about 1% of men; ΔE 9 from the original
Deuteranopia#2F2F2Fno green cones; the most common form, about 1% of men; ΔE 9.1 from the original
Tritanopia#1C3432no blue cones; rare, and affects men and women equally; ΔE 2.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.15:1WCAG large text: AAA
Contrast with black, large text1.6:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.4Black · ΔE 21.9Dim grey · ΔE 26.1Gray · ΔE 34.8Slate grey · ΔE 35.4Teal · ΔE 35.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.4, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#342126
Analogous#213426, #213034
Triadic#2F2134, #342F21
Split complementary#342130, #342621
Tetradic#262134, #342126, #303421

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#78A99C
Lighter +30%#5C9284
Lighter +20%#497267
Lighter +10%#35534B
Darker −10%#0D1513
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#163F34
Less saturated −25%#2B2B2B

Channel breakdown

R33
G52
B47
Red33 (12.9%)
Green52 (20.4%)
Blue47 (18.4%)
Hue164.21°
Saturation (HSL)22.35%
Lightness16.67%
Dominant channelGreen
Hex per channelR 21 · G 34 · B 2F

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Every value on this page was computed from “21342f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.