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Recognised as Colour

#23305C

  • #23305C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#23305C is a blue with RGB values 35, 48, 92 and HSL 226°, 45%, 25%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#23305C#23305C
HEX#23305C
RGBrgb(35, 48, 92)
RGB (0–1)0.1373, 0.1882, 0.3608
RGB percentages13.7%, 18.8%, 36.1%
HSLhsl(226.3, 44.9%, 24.9%)
HSV / HSBhsv(226.3, 62%, 36.1%)
CMYK62%, 47.8%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,306,140
CSS custom property--colour: #23305C;

Brightness & contrast

Relative luminance0.03244WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.74:1
Contrast with white12.74:1WCAG normal text: AAA
Contrast with black1.65:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#DCCFA3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1C355Eno red cones; affects about 1% of men; ΔE 4.5 from the original
Deuteranopia#14305Bno green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#003A41no blue cones; rare, and affects men and women equally; ΔE 30.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.74:1WCAG large text: AAA
Contrast with black, large text1.65:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 23.7Midnight blue · ΔE 31.2Dark slate grey · ΔE 34Steel blue · ΔE 34.6Black · ΔE 36.4Dim grey · ΔE 37.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 23.65, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C4F23
Analogous#234D5C, #32235C
Triadic#5C2330, #305C23
Split complementary#5C3323, #4C5C23
Tetradic#5C234D, #5C4F23, #235C33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7D90CE
Lighter +30%#5870C0
Lighter +20%#3F57A6
Lighter +10%#314381
Darker −10%#151D37
Darker −20%#070912
Darker −30%#000000
Darker −40%#000000
More saturated +25%#13276C
Less saturated −25%#33394C

Channel breakdown

R35
G48
B92
Red35 (13.7%)
Green48 (18.8%)
Blue92 (36.1%)
Hue226.32°
Saturation (HSL)44.88%
Lightness24.9%
Dominant channelBlue
Hex per channelR 23 · G 30 · B 5C

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Every value on this page was computed from “23305c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.