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Recognised as Colour

#217B85

  • #217B85
  • Cyan
  • Dark
  • Nearest: Teal

#217B85 is a cyan with RGB values 33, 123, 133 and HSL 186°, 60%, 33%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#217B85#217B85
HEX#217B85
RGBrgb(33, 123, 133)
RGB (0–1)0.1294, 0.4824, 0.5216
RGB percentages12.9%, 48.2%, 52.2%
HSLhsl(186, 60.2%, 32.5%)
HSV / HSBhsv(186, 75.2%, 52.2%)
CMYK75.2%, 7.5%, 0%, 47.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,194,309
CSS custom property--colour: #217B85;

Brightness & contrast

Relative luminance0.16183WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.96:1
Contrast with white4.96:1WCAG normal text: AA
Contrast with black4.24:1WCAG normal text: Fail
Greyscale equivalent#696969
Inverted#DE847A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#707686no red cones; affects about 1% of men; ΔE 23.7 from the original
Deuteranopia#626C85no green cones; the most common form, about 1% of men; ΔE 24.4 from the original
Tritanopia#00817Eno blue cones; rare, and affects men and women equally; ΔE 10.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.96:1WCAG large text: AAA
Contrast with black, large text4.24:1WCAG large text: AA

Named colours

Teal · ΔE 8.2Dark cyan · ΔE 10.7Cadetblue · ΔE 15.2Slate grey · ΔE 20.8Dark slate grey · ΔE 21.1Light slate grey · ΔE 21.7
Nearest named CSS colourTeal (#008080)ΔE 8.22, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#852B21
Analogous#21855D, #214985
Triadic#85217B, #7B8521
Split complementary#852149, #855D21
Tetradic#5D2185, #852B21, #498521

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8FDBE3
Lighter +30%#66CED9
Lighter +20%#3DC0CF
Lighter +10%#2BA1AE
Darker −10%#17555C
Darker −20%#0D2F33
Darker −30%#030A0A
Darker −40%#000000
More saturated +25%#0C8C9A
Less saturated −25%#366A70

Channel breakdown

R33
G123
B133
Red33 (12.9%)
Green123 (48.2%)
Blue133 (52.2%)
Hue186°
Saturation (HSL)60.24%
Lightness32.55%
Dominant channelBlue
Hex per channelR 21 · G 7B · B 85

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Every value on this page was computed from “217b85” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.