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Recognised as Colour

#332F40

  • #332F40
  • Blue
  • Dark
  • Nearest: Dark slate grey

#332F40 is a blue with RGB values 51, 47, 64 and HSL 254°, 15%, 22%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#332F40#332F40
HEX#332F40
RGBrgb(51, 47, 64)
RGB (0–1)0.2, 0.1843, 0.251
RGB percentages20%, 18.4%, 25.1%
HSLhsl(254.1, 15.3%, 21.8%)
HSV / HSBhsv(254.1, 26.6%, 25.1%)
CMYK20.3%, 26.6%, 0%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,354,432
CSS custom property--colour: #332F40;

Brightness & contrast

Relative luminance0.03107WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.95:1
Contrast with white12.95:1WCAG normal text: AAA
Contrast with black1.62:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#CCD0BF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2B3141no red cones; affects about 1% of men; ΔE 4.2 from the original
Deuteranopia#2C3140no green cones; the most common form, about 1% of men; ΔE 4.1 from the original
Tritanopia#313235no blue cones; rare, and affects men and women equally; ΔE 9.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.95:1WCAG large text: AAA
Contrast with black, large text1.62:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 21.7Black · ΔE 23.6Dim grey · ΔE 26.7Slate grey · ΔE 33.4Gray · ΔE 35.1Light slate grey · ΔE 36.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 21.72, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3C402F
Analogous#2F3440, #3C2F40
Triadic#40332F, #2F4033
Split complementary#403C2F, #34402F
Tetradic#402F34, #3C402F, #2F403C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#968FAC
Lighter +30%#7A7197
Lighter +20%#625A7B
Lighter +10%#4A455D
Darker −10%#1C1923
Darker −20%#040405
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2C214E
Less saturated −25%#383838

Channel breakdown

R51
G47
B64
Red51 (20%)
Green47 (18.4%)
Blue64 (25.1%)
Hue254.12°
Saturation (HSL)15.32%
Lightness21.76%
Dominant channelBlue
Hex per channelR 33 · G 2F · B 40

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Every value on this page was computed from “332f40” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.