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Recognised as Colour

#1F534C

  • #1F534C
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#1F534C is a cyan with RGB values 31, 83, 76 and HSL 172°, 46%, 22%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1F534C#1F534C
HEX#1F534C
RGBrgb(31, 83, 76)
RGB (0–1)0.1216, 0.3255, 0.298
RGB percentages12.2%, 32.5%, 29.8%
HSLhsl(171.9, 45.6%, 22.4%)
HSV / HSBhsv(171.9, 62.7%, 32.5%)
CMYK62.7%, 0%, 8.4%, 67.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,052,940
CSS custom property--colour: #1F534C;

Brightness & contrast

Relative luminance0.07WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.75:1
Contrast with white8.75:1WCAG normal text: AAA
Contrast with black2.4:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#E0ACB3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4F4E4Cno red cones; affects about 1% of men; ΔE 19.4 from the original
Deuteranopia#47484Dno green cones; the most common form, about 1% of men; ΔE 20 from the original
Tritanopia#005551no blue cones; rare, and affects men and women equally; ΔE 4.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.75:1WCAG large text: AAA
Contrast with black, large text2.4:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 7.9Teal · ΔE 20.5Dim grey · ΔE 23Dark cyan · ΔE 24.7Slate grey · ΔE 28.7Gray · ΔE 29
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 7.93, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#531F26
Analogous#1F5332, #1F4053
Triadic#4C1F53, #534C1F
Split complementary#531F40, #53321F
Tetradic#321F53, #531F26, #40531F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#73CBBF
Lighter +30%#4EBDAE
Lighter +20%#3B9D90
Lighter +10%#2D786E
Darker −10%#112E2A
Darker −20%#030908
Darker −30%#000000
Darker −40%#000000
More saturated +25%#116156
Less saturated −25%#2D4542

Channel breakdown

R31
G83
B76
Red31 (12.2%)
Green83 (32.5%)
Blue76 (29.8%)
Hue171.92°
Saturation (HSL)45.61%
Lightness22.35%
Dominant channelGreen
Hex per channelR 1F · G 53 · B 4C

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Every value on this page was computed from “1f534c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.