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Recognised as Colour

#218A94

  • #218A94
  • Cyan
  • Dark
  • Nearest: Dark cyan

#218A94 is a cyan with RGB values 33, 138, 148 and HSL 185°, 64%, 35%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#218A94#218A94
HEX#218A94
RGBrgb(33, 138, 148)
RGB (0–1)0.1294, 0.5412, 0.5804
RGB percentages12.9%, 54.1%, 58%
HSLhsl(185.2, 63.5%, 35.5%)
HSV / HSBhsv(185.2, 77.7%, 58%)
CMYK77.7%, 6.8%, 0%, 42%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,198,164
CSS custom property--colour: #218A94;

Brightness & contrast

Relative luminance0.20638WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.13:1
Contrast with white4.1:1WCAG normal text: Fail
Contrast with black5.13:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#DE756B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7E8495no red cones; affects about 1% of men; ΔE 26.8 from the original
Deuteranopia#6E7894no green cones; the most common form, about 1% of men; ΔE 28 from the original
Tritanopia#00908Dno blue cones; rare, and affects men and women equally; ΔE 9.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.1:1WCAG large text: AA
Contrast with black, large text5.13:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 7.4Teal · ΔE 7.8Cadetblue · ΔE 11.9Light seagreen · ΔE 19.7Slate grey · ΔE 23Light slate grey · ΔE 23.1
Nearest named CSS colourDark cyan (#008B8B)ΔE 7.38, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#942B21
Analogous#219465, #215094
Triadic#94218A, #8A9421
Split complementary#942150, #946521
Tetradic#652194, #942B21, #509421

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#99E1E8
Lighter +30%#6FD5DF
Lighter +20%#45C9D6
Lighter +10%#2AB1BE
Darker −10%#18636A
Darker −20%#0E3C41
Darker −30%#051517
Darker −40%#000000
More saturated +25%#0A9DAB
Less saturated −25%#38777D

Channel breakdown

R33
G138
B148
Red33 (12.9%)
Green138 (54.1%)
Blue148 (58%)
Hue185.22°
Saturation (HSL)63.54%
Lightness35.49%
Dominant channelBlue
Hex per channelR 21 · G 8A · B 94

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Every value on this page was computed from “218a94” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.