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Recognised as Colour

#214D37

  • #214D37
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#214D37 is a cyan with RGB values 33, 77, 55 and HSL 150°, 40%, 22%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#214D37#214D37
HEX#214D37
RGBrgb(33, 77, 55)
RGB (0–1)0.1294, 0.302, 0.2157
RGB percentages12.9%, 30.2%, 21.6%
HSLhsl(150, 40%, 21.6%)
HSV / HSBhsv(150, 57.1%, 30.2%)
CMYK57.1%, 0%, 28.6%, 69.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,182,455
CSS custom property--colour: #214D37;

Brightness & contrast

Relative luminance0.05907WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.63:1
Contrast with white9.63:1WCAG normal text: AAA
Contrast with black2.18:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#DEB2C8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C4736no red cones; affects about 1% of men; ΔE 20.3 from the original
Deuteranopia#464338no green cones; the most common form, about 1% of men; ΔE 20.4 from the original
Tritanopia#134D47no blue cones; rare, and affects men and women equally; ΔE 10.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.63:1WCAG large text: AAA
Contrast with black, large text2.18:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.6Dark olivegreen · ΔE 25.8Teal · ΔE 26.7Dim grey · ΔE 27.5Dark cyan · ΔE 30.4Sea green · ΔE 31.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.64, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4D2137
Analogous#214D21, #214D4D
Triadic#37214D, #4D3721
Split complementary#4D214D, #4D2121
Tetradic#21214D, #4D2137, #4D4D21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#76C49D
Lighter +30%#52B584
Lighter +20%#40946A
Lighter +10%#307151
Darker −10%#12291E
Darker −20%#020604
Darker −30%#000000
Darker −40%#000000
More saturated +25%#135B37
Less saturated −25%#2F3F37

Channel breakdown

R33
G77
B55
Red33 (12.9%)
Green77 (30.2%)
Blue55 (21.6%)
Hue150°
Saturation (HSL)40%
Lightness21.57%
Dominant channelGreen
Hex per channelR 21 · G 4D · B 37

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Every value on this page was computed from “214d37” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.