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Colour

#337A77

  • #337A77
  • Cyan
  • Dark
  • Nearest: Teal

#337A77 is a cyan with RGB values 51, 122, 119 and HSL 177°, 41%, 34%. 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

#337A77#337A77
HEX#337A77
RGBrgb(51, 122, 119)
RGB (0–1)0.2, 0.4784, 0.4667
RGB percentages20%, 47.8%, 46.7%
HSLhsl(177.5, 41%, 33.9%)
HSV / HSBhsv(177.5, 58.2%, 47.8%)
CMYK58.2%, 0%, 2.5%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,373,687
CSS custom property--colour: #337A77;

Brightness & contrast

Relative luminance0.15955WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.01:1
Contrast with white5.01:1WCAG normal text: AA
Contrast with black4.19:1WCAG normal text: Fail
Greyscale equivalent#6B6B6B
Inverted#CC8588

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#737477no red cones; affects about 1% of men; ΔE 23.3 from the original
Deuteranopia#686C78no green cones; the most common form, about 1% of men; ΔE 24 from the original
Tritanopia#007D79no blue cones; rare, and affects men and women equally; ΔE 7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.01:1WCAG large text: AAA
Contrast with black, large text4.19:1WCAG large text: AA

Named colours

Teal · ΔE 7.1Dark cyan · ΔE 10.2Cadetblue · ΔE 14.8Dark slate grey · ΔE 19.2Slate grey · ΔE 22.2Light slate grey · ΔE 23.2
Nearest named CSS colourTeal (#008080)ΔE 7.09, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A3336
Analogous#337A54, #335A7A
Triadic#77337A, #7A7733
Split complementary#7A335A, #7A5433
Tetradic#53337A, #7A3336, #5A7A33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A1D8D5
Lighter +30%#7DC9C6
Lighter +20%#59BAB6
Lighter +10%#429E9A
Darker −10%#245654
Darker −20%#153231
Darker −30%#060E0E
Darker −40%#000000
More saturated +25%#1D908B
Less saturated −25%#496463

Channel breakdown

R51
G122
B119
Red51 (20%)
Green122 (47.8%)
Blue119 (46.7%)
Hue177.46°
Saturation (HSL)41.04%
Lightness33.92%
Dominant channelGreen
Hex per channelR 33 · G 7A · B 77

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Every value on this page was computed from “337a77” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.