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Colour

#23375D

  • #23375D
  • Blue
  • Dark
  • Nearest: Dark slateblue

#23375D is a blue with RGB values 35, 55, 93 and HSL 219°, 45%, 25%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#23375D#23375D
HEX#23375D
RGBrgb(35, 55, 93)
RGB (0–1)0.1373, 0.2157, 0.3647
RGB percentages13.7%, 21.6%, 36.5%
HSLhsl(219.3, 45.3%, 25.1%)
HSV / HSBhsv(219.3, 62.4%, 36.5%)
CMYK62.4%, 40.9%, 0%, 63.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,307,933
CSS custom property--colour: #23375D;

Brightness & contrast

Relative luminance0.0388WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.82:1
Contrast with white11.82:1WCAG normal text: AAA
Contrast with black1.78:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#DCC8A2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#273A5Fno red cones; affects about 1% of men; ΔE 1.6 from the original
Deuteranopia#20355Cno green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#003F45no blue cones; rare, and affects men and women equally; ΔE 26.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.82:1WCAG large text: AAA
Contrast with black, large text1.78:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 28Dark slate grey · ΔE 28.4Steel blue · ΔE 31.4Dim grey · ΔE 33.2Slate grey · ΔE 33.8Black · ΔE 34.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 27.95, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5D4923
Analogous#23545D, #2C235D
Triadic#5D2337, #375D23
Split complementary#5D2C23, #545D23
Tetradic#5D2354, #5D4923, #235D2C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7E99CE
Lighter +30%#597CC0
Lighter +20%#3F63A7
Lighter +10%#314D82
Darker −10%#152138
Darker −20%#070B13
Darker −30%#000000
Darker −40%#000000
More saturated +25%#13326D
Less saturated −25%#333C4D

Channel breakdown

R35
G55
B93
Red35 (13.7%)
Green55 (21.6%)
Blue93 (36.5%)
Hue219.31°
Saturation (HSL)45.31%
Lightness25.1%
Dominant channelBlue
Hex per channelR 23 · G 37 · B 5D

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Every value on this page was computed from “23375d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.