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Recognised as Colour

#1F5447

  • #1F5447
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#1F5447 is a cyan with RGB values 31, 84, 71 and HSL 165°, 46%, 23%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1F5447#1F5447
HEX#1F5447
RGBrgb(31, 84, 71)
RGB (0–1)0.1216, 0.3294, 0.2784
RGB percentages12.2%, 32.9%, 27.8%
HSLhsl(165.3, 46.1%, 22.5%)
HSV / HSBhsv(165.3, 63.1%, 32.9%)
CMYK63.1%, 0%, 15.5%, 67.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,053,191
CSS custom property--colour: #1F5447;

Brightness & contrast

Relative luminance0.07087WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.69:1
Contrast with white8.69:1WCAG normal text: AAA
Contrast with black2.42:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#E0ABB8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#514F46no red cones; affects about 1% of men; ΔE 20.5 from the original
Deuteranopia#494948no green cones; the most common form, about 1% of men; ΔE 21.1 from the original
Tritanopia#005550no blue cones; rare, and affects men and women equally; ΔE 6.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.69:1WCAG large text: AAA
Contrast with black, large text2.42:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.3Teal · ΔE 21Dim grey · ΔE 24.7Dark cyan · ΔE 25Dark olivegreen · ΔE 30.1Gray · ΔE 30.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.27, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#541F2C
Analogous#1F542C, #1F4754
Triadic#471F54, #54471F
Split complementary#541F47, #542C1F
Tetradic#2C1F54, #541F2C, #47541F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#73CCB6
Lighter +30%#4EBEA2
Lighter +20%#3A9F86
Lighter +10%#2D7966
Darker −10%#112F28
Darker −20%#040908
Darker −30%#000000
Darker −40%#000000
More saturated +25%#11624E
Less saturated −25%#2D4640

Channel breakdown

R31
G84
B71
Red31 (12.2%)
Green84 (32.9%)
Blue71 (27.8%)
Hue165.28°
Saturation (HSL)46.09%
Lightness22.55%
Dominant channelGreen
Hex per channelR 1F · G 54 · B 47

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Every value on this page was computed from “1f5447” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.