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Recognised as Colour

#23283C

  • #23283C
  • Blue
  • Dark
  • Nearest: Black

#23283C is a blue with RGB values 35, 40, 60 and HSL 228°, 26%, 19%. It is a dark colour, so white text on it reaches 14.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#23283C#23283C
HEX#23283C
RGBrgb(35, 40, 60)
RGB (0–1)0.1373, 0.1569, 0.2353
RGB percentages13.7%, 15.7%, 23.5%
HSLhsl(228, 26.3%, 18.6%)
HSV / HSBhsv(228, 41.7%, 23.5%)
CMYK41.7%, 33.3%, 0%, 76.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,304,060
CSS custom property--colour: #23283C;

Brightness & contrast

Relative luminance0.02201WCAG 2.x, 0 is black and 1 is white
Perceived brightness41.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.58:1
Contrast with white14.58:1WCAG normal text: AAA
Contrast with black1.44:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#DCD7C3

Colour vision & accessibility

Protanopia#222A3Dno red cones; affects about 1% of men; ΔE 1.6 from the original
Deuteranopia#20283Cno green cones; the most common form, about 1% of men; ΔE 1.1 from the original
Tritanopia#1C2C2Fno blue cones; rare, and affects men and women equally; ΔE 13.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.58:1WCAG large text: AAA
Contrast with black, large text1.44:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 21.67, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#3C3723
Analogous#23353C, #2B233C
Triadic#3C2328, #283C23
Split complementary#3C2B23, #353C23
Tetradic#3C2335, #3C3723, #233C2B

Tints, shades & saturation

Lighter +40%#7A85B1
Lighter +30%#5B689D
Lighter +20%#49537C
Lighter +10%#363D5C
Darker −10%#10131C
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#172148
Less saturated −25%#2F2F30

Channel breakdown

R35
G40
B60
Red35 (13.7%)
Green40 (15.7%)
Blue60 (23.5%)
Hue228°
Saturation (HSL)26.32%
Lightness18.63%
Dominant channelBlue
Hex per channelR 23 · G 28 · B 3C

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Every value on this page was computed from “23283c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.