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Recognised as Colour

#31644E

  • #31644E
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#31644E is a cyan with RGB values 49, 100, 78 and HSL 154°, 34%, 29%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#31644E#31644E
HEX#31644E
RGBrgb(49, 100, 78)
RGB (0–1)0.1922, 0.3922, 0.3059
RGB percentages19.2%, 39.2%, 30.6%
HSLhsl(154.1, 34.2%, 29.2%)
HSV / HSBhsv(154.1, 51%, 39.2%)
CMYK51%, 0%, 22%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,236,942
CSS custom property--colour: #31644E;

Brightness & contrast

Relative luminance0.10317WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.85:1
Contrast with white6.85:1WCAG normal text: AA
Contrast with black3.06:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#CE9BB1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#625E4Dno red cones; affects about 1% of men; ΔE 21.6 from the original
Deuteranopia#5B584Fno green cones; the most common form, about 1% of men; ΔE 22.5 from the original
Tritanopia#21645Eno blue cones; rare, and affects men and women equally; ΔE 10.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.85:1WCAG large text: AAA
Contrast with black, large text3.06:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 17.3Teal · ΔE 19.5Dark cyan · ΔE 22.7Dark olivegreen · ΔE 24Dim grey · ΔE 24.8Sea green · ΔE 24.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.27, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#643147
Analogous#316435, #316164
Triadic#4E3164, #644E31
Split complementary#643161, #643531
Tetradic#353164, #643147, #616431

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#96CBB4
Lighter +30%#73BB9C
Lighter +20%#53A883
Lighter +10%#428669
Darker −10%#204233
Darker −20%#0F2019
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1E7751
Less saturated −25%#44514B

Channel breakdown

R49
G100
B78
Red49 (19.2%)
Green100 (39.2%)
Blue78 (30.6%)
Hue154.12°
Saturation (HSL)34.23%
Lightness29.22%
Dominant channelGreen
Hex per channelR 31 · G 64 · B 4E

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Every value on this page was computed from “31644e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.