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Colour

#1F684C

  • #1F684C
  • Cyan
  • Dark
  • Nearest: Sea green

#1F684C is a cyan with RGB values 31, 104, 76 and HSL 157°, 54%, 26%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#1F684C#1F684C
HEX#1F684C
RGBrgb(31, 104, 76)
RGB (0–1)0.1216, 0.4078, 0.298
RGB percentages12.2%, 40.8%, 29.8%
HSLhsl(157, 54.1%, 26.5%)
HSV / HSBhsv(157, 70.2%, 40.8%)
CMYK70.2%, 0%, 26.9%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,058,316
CSS custom property--colour: #1F684C;

Brightness & contrast

Relative luminance0.10714WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.68:1
Contrast with white6.68:1WCAG normal text: AA
Contrast with black3.14:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#E097B3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#66604Ano red cones; affects about 1% of men; ΔE 28.5 from the original
Deuteranopia#5C594Eno green cones; the most common form, about 1% of men; ΔE 28.9 from the original
Tritanopia#006860no blue cones; rare, and affects men and women equally; ΔE 12.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.68:1WCAG large text: AAA
Contrast with black, large text3.14:1WCAG large text: AA

Named colours

Sea green · ΔE 19.2Teal · ΔE 20.1Dark cyan · ΔE 22.6Dark slate grey · ΔE 23.6Dark olivegreen · ΔE 24.1Cadetblue · ΔE 29.5
Nearest named CSS colourSea green (#2E8B57)ΔE 19.22, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#681F3B
Analogous#1F6828, #1F6068
Triadic#4C1F68, #684C1F
Split complementary#681F60, #68281F
Tetradic#271F68, #681F3B, #5F681F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7BD8B4
Lighter +30%#54CC9E
Lighter +20%#36B785
Lighter +10%#2B8F69
Darker −10%#13412F
Darker −20%#081913
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0E7950
Less saturated −25%#305748

Channel breakdown

R31
G104
B76
Red31 (12.2%)
Green104 (40.8%)
Blue76 (29.8%)
Hue156.99°
Saturation (HSL)54.07%
Lightness26.47%
Dominant channelGreen
Hex per channelR 1F · G 68 · B 4C

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Every value on this page was computed from “1f684c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.