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Colour

#31343E

  • #31343E
  • Blue
  • Dark
  • Nearest: Dark slate grey

#31343E is a blue with RGB values 49, 52, 62 and HSL 226°, 12%, 22%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#31343E#31343E
HEX#31343E
RGBrgb(49, 52, 62)
RGB (0–1)0.1922, 0.2039, 0.2431
RGB percentages19.2%, 20.4%, 24.3%
HSLhsl(226.2, 11.7%, 21.8%)
HSV / HSBhsv(226.2, 21%, 24.3%)
CMYK21%, 16.1%, 0%, 75.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,224,638
CSS custom property--colour: #31343E;

Brightness & contrast

Relative luminance0.03457WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.42:1
Contrast with white12.42:1WCAG normal text: AAA
Contrast with black1.69:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#CECBC1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#31353Eno red cones; affects about 1% of men; ΔE 0.9 from the original
Deuteranopia#30343Eno green cones; the most common form, about 1% of men; ΔE 0.4 from the original
Tritanopia#2E3637no blue cones; rare, and affects men and women equally; ΔE 6.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.42:1WCAG large text: AAA
Contrast with black, large text1.69:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.4Black · ΔE 22.8Dim grey · ΔE 23.6Slate grey · ΔE 31.5Gray · ΔE 32.5Light slate grey · ΔE 34.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3E3B31
Analogous#313B3E, #35313E
Triadic#3E3134, #343E31
Split complementary#3E3531, #3A3E31
Tetradic#3E313A, #3E3B31, #313E35

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9297A9
Lighter +30%#767C92
Lighter +20%#5E6477
Lighter +10%#484C5A
Darker −10%#1A1C22
Darker −20%#040405
Darker −30%#000000
Darker −40%#000000
More saturated +25%#232D4C
Less saturated −25%#383838

Channel breakdown

R49
G52
B62
Red49 (19.2%)
Green52 (20.4%)
Blue62 (24.3%)
Hue226.15°
Saturation (HSL)11.71%
Lightness21.76%
Dominant channelBlue
Hex per channelR 31 · G 34 · B 3E

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Every value on this page was computed from “31343e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.