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Colour

#31504D

  • #31504D
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#31504D is a cyan with RGB values 49, 80, 77 and HSL 174°, 24%, 25%. 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

#31504D#31504D
HEX#31504D
RGBrgb(49, 80, 77)
RGB (0–1)0.1922, 0.3137, 0.302
RGB percentages19.2%, 31.4%, 30.2%
HSLhsl(174.2, 24%, 25.3%)
HSV / HSBhsv(174.2, 38.7%, 31.4%)
CMYK38.8%, 0%, 3.7%, 68.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,231,821
CSS custom property--colour: #31504D;

Brightness & contrast

Relative luminance0.06926WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.8:1
Contrast with white8.8:1WCAG normal text: AAA
Contrast with black2.39:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#CEAFB2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4D4D4Dno red cones; affects about 1% of men; ΔE 12.4 from the original
Deuteranopia#47494Dno green cones; the most common form, about 1% of men; ΔE 12.4 from the original
Tritanopia#26514Fno blue cones; rare, and affects men and women equally; ΔE 3.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.8:1WCAG large text: AAA
Contrast with black, large text2.39:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 2Dim grey · ΔE 17.8Teal · ΔE 24.4Slate grey · ΔE 25Gray · ΔE 25.2Light slate grey · ΔE 27.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 1.96, below the just-noticeable difference
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#503134
Analogous#31503E, #314350
Triadic#4D3150, #504D31
Split complementary#503143, #503D31
Tetradic#3E3150, #503134, #445031

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#91BCB8
Lighter +30%#72A8A3
Lighter +20%#588F8A
Lighter +10%#44706B
Darker −10%#1E302F
Darker −20%#0A1110
Darker −30%#000000
Darker −40%#000000
More saturated +25%#21605A
Less saturated −25%#414141

Channel breakdown

R49
G80
B77
Red49 (19.2%)
Green80 (31.4%)
Blue77 (30.2%)
Hue174.19°
Saturation (HSL)24.03%
Lightness25.29%
Dominant channelGreen
Hex per channelR 31 · G 50 · B 4D

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Every value on this page was computed from “31504d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.