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Colour

#337A97

  • #337A97
  • Cyan
  • Dark
  • Nearest: Steel blue

#337A97 is a cyan with RGB values 51, 122, 151 and HSL 197°, 50%, 40%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#337A97#337A97
HEX#337A97
RGBrgb(51, 122, 151)
RGB (0–1)0.2, 0.4784, 0.5922
RGB percentages20%, 47.8%, 59.2%
HSLhsl(197.4, 49.5%, 39.6%)
HSV / HSBhsv(197.4, 66.2%, 59.2%)
CMYK66.2%, 19.2%, 0%, 40.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,373,719
CSS custom property--colour: #337A97;

Brightness & contrast

Relative luminance0.16857WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.8:1
Contrast with white4.8:1WCAG normal text: AA
Contrast with black4.37:1WCAG normal text: Fail
Greyscale equivalent#6D6D6D
Inverted#CC8568

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6B7898no red cones; affects about 1% of men; ΔE 16.2 from the original
Deuteranopia#5D6E97no green cones; the most common form, about 1% of men; ΔE 17.3 from the original
Tritanopia#008283no blue cones; rare, and affects men and women equally; ΔE 20.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.8:1WCAG large text: AAA
Contrast with black, large text4.37:1WCAG large text: AA

Named colours

Steel blue · ΔE 13.9Slate grey · ΔE 16.4Light slate grey · ΔE 17.2Cadetblue · ΔE 20.9Teal · ΔE 21.2Dark cyan · ΔE 22.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.91, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#975033
Analogous#339782, #334897
Triadic#97337A, #7A9733
Split complementary#973348, #978233
Tetradic#823397, #975033, #489733

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B1D6E5
Lighter +30%#8BC2D8
Lighter +20%#65ADCB
Lighter +10%#4099BD
Darker −10%#265B71
Darker −20%#193C4B
Darker −30%#0C1E25
Darker −40%#000000
More saturated +25%#1A85B0
Less saturated −25%#4C6F7E

Channel breakdown

R51
G122
B151
Red51 (20%)
Green122 (47.8%)
Blue151 (59.2%)
Hue197.4°
Saturation (HSL)49.5%
Lightness39.61%
Dominant channelBlue
Hex per channelR 33 · G 7A · B 97

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Every value on this page was computed from “337a97” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.