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Recognised as Colour

#333C4C

  • #333C4C
  • Blue
  • Dark
  • Nearest: Dark slate grey

#333C4C is a blue with RGB values 51, 60, 76 and HSL 218°, 20%, 25%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#333C4C#333C4C
HEX#333C4C
RGBrgb(51, 60, 76)
RGB (0–1)0.2, 0.2353, 0.298
RGB percentages20%, 23.5%, 29.8%
HSLhsl(218.4, 19.7%, 24.9%)
HSV / HSBhsv(218.4, 32.9%, 29.8%)
CMYK32.9%, 21.1%, 0%, 70.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,357,772
CSS custom property--colour: #333C4C;

Brightness & contrast

Relative luminance0.04457WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.1:1
Contrast with white11.1:1WCAG normal text: AAA
Contrast with black1.89:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#CCC3B3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#373D4Dno red cones; affects about 1% of men; ΔE 1.3 from the original
Deuteranopia#343B4Cno green cones; the most common form, about 1% of men; ΔE 1.1 from the original
Tritanopia#2C3F41no blue cones; rare, and affects men and women equally; ΔE 10.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.1:1WCAG large text: AAA
Contrast with black, large text1.89:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.6Dim grey · ΔE 22.2Black · ΔE 27.4Slate grey · ΔE 27.9Gray · ΔE 30.5Light slate grey · ΔE 30.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4C4333
Analogous#33494C, #37334C
Triadic#4C333C, #3C4C33
Split complementary#4C3733, #494C33
Tetradic#4C3349, #4C4333, #334C37

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#94A1B7
Lighter +30%#7586A3
Lighter +20%#5C6C89
Lighter +10%#47546B
Darker −10%#1F242D
Darker −20%#0A0C0F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#23385C
Less saturated −25%#404040

Channel breakdown

R51
G60
B76
Red51 (20%)
Green60 (23.5%)
Blue76 (29.8%)
Hue218.4°
Saturation (HSL)19.69%
Lightness24.9%
Dominant channelBlue
Hex per channelR 33 · G 3C · B 4C

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Every value on this page was computed from “333c4c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.