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Colour

#337A74

  • #337A74
  • Cyan
  • Dark
  • Nearest: Teal

#337A74 is a cyan with RGB values 51, 122, 116 and HSL 175°, 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

#337A74#337A74
HEX#337A74
RGBrgb(51, 122, 116)
RGB (0–1)0.2, 0.4784, 0.4549
RGB percentages20%, 47.8%, 45.5%
HSLhsl(174.9, 41%, 33.9%)
HSV / HSBhsv(174.9, 58.2%, 47.8%)
CMYK58.2%, 0%, 4.9%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,373,684
CSS custom property--colour: #337A74;

Brightness & contrast

Relative luminance0.15884WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.03:1
Contrast with white5.03:1WCAG normal text: AA
Contrast with black4.18:1WCAG normal text: Fail
Greyscale equivalent#6A6A6A
Inverted#CC858B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#747474no red cones; affects about 1% of men; ΔE 24 from the original
Deuteranopia#686B75no green cones; the most common form, about 1% of men; ΔE 24.9 from the original
Tritanopia#007D78no blue cones; rare, and affects men and women equally; ΔE 6.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.03:1WCAG large text: AAA
Contrast with black, large text4.18:1WCAG large text: AA

Named colours

Teal · ΔE 7.4Dark cyan · ΔE 10.4Cadetblue · ΔE 15.4Dark slate grey · ΔE 19.6Slate grey · ΔE 23.5Light seagreen · ΔE 23.7
Nearest named CSS colourTeal (#008080)ΔE 7.4, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A3339
Analogous#337A51, #335D7A
Triadic#74337A, #7A7433
Split complementary#7A335D, #7A5133
Tetradic#51337A, #7A3339, #5D7A33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A1D8D3
Lighter +30%#7DC9C2
Lighter +20%#59BAB2
Lighter +10%#429E96
Darker −10%#245652
Darker −20%#153230
Darker −30%#060E0D
Darker −40%#000000
More saturated +25%#1D9086
Less saturated −25%#496462

Channel breakdown

R51
G122
B116
Red51 (20%)
Green122 (47.8%)
Blue116 (45.5%)
Hue174.93°
Saturation (HSL)41.04%
Lightness33.92%
Dominant channelGreen
Hex per channelR 33 · G 7A · B 74

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Every value on this page was computed from “337a74” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.