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Colour

#337A87

  • #337A87
  • Cyan
  • Dark
  • Nearest: Teal

#337A87 is a cyan with RGB values 51, 122, 135 and HSL 189°, 45%, 36%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#337A87#337A87
HEX#337A87
RGBrgb(51, 122, 135)
RGB (0–1)0.2, 0.4784, 0.5294
RGB percentages20%, 47.8%, 52.9%
HSLhsl(189.3, 45.2%, 36.5%)
HSV / HSBhsv(189.3, 62.2%, 52.9%)
CMYK62.2%, 9.6%, 0%, 47.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,373,703
CSS custom property--colour: #337A87;

Brightness & contrast

Relative luminance0.16372WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.91:1
Contrast with white4.91:1WCAG normal text: AA
Contrast with black4.27:1WCAG normal text: Fail
Greyscale equivalent#6C6C6C
Inverted#CC8578

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6F7688no red cones; affects about 1% of men; ΔE 19.7 from the original
Deuteranopia#636D87no green cones; the most common form, about 1% of men; ΔE 20.5 from the original
Tritanopia#00807Eno blue cones; rare, and affects men and women equally; ΔE 13.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.91:1WCAG large text: AAA
Contrast with black, large text4.27:1WCAG large text: AA

Named colours

Teal · ΔE 12.1Dark cyan · ΔE 14.3Cadetblue · ΔE 15.2Slate grey · ΔE 17Light slate grey · ΔE 18Dark slate grey · ΔE 20
Nearest named CSS colourTeal (#008080)ΔE 12.14, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#874033
Analogous#33876A, #335087
Triadic#87337A, #7A8733
Split complementary#873350, #876A33
Tetradic#6A3387, #874033, #508733

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8D6DE
Lighter +30%#83C4D0
Lighter +20%#5EB3C2
Lighter +10%#419BAC
Darker −10%#255962
Darker −20%#17373D
Darker −30%#091618
Darker −40%#000000
More saturated +25%#1C8A9E
Less saturated −25%#4A6A70

Channel breakdown

R51
G122
B135
Red51 (20%)
Green122 (47.8%)
Blue135 (52.9%)
Hue189.29°
Saturation (HSL)45.16%
Lightness36.47%
Dominant channelBlue
Hex per channelR 33 · G 7A · B 87

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Every value on this page was computed from “337a87” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.