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Recognised as Colour

#42609B

  • #42609B
  • Blue
  • Dark
  • Nearest: Steel blue

#42609B is a blue with RGB values 66, 96, 155 and HSL 220°, 40%, 43%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#42609B#42609B
HEX#42609B
RGBrgb(66, 96, 155)
RGB (0–1)0.2588, 0.3765, 0.6078
RGB percentages25.9%, 37.6%, 60.8%
HSLhsl(219.8, 40.3%, 43.3%)
HSV / HSBhsv(219.8, 57.4%, 60.8%)
CMYK57.4%, 38.1%, 0%, 39.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,350,107
CSS custom property--colour: #42609B;

Brightness & contrast

Relative luminance0.11891WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.22:1
Contrast with white6.22:1WCAG normal text: AA
Contrast with black3.38:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#BD9F64

Colour vision & accessibility

Protanopia#48659Dno red cones; affects about 1% of men; ΔE 2.9 from the original
Deuteranopia#3D5D9Ano green cones; the most common form, about 1% of men; ΔE 1.9 from the original
Tritanopia#036D76no blue cones; rare, and affects men and women equally; ΔE 37.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.22:1WCAG large text: AAA
Contrast with black, large text3.38:1WCAG large text: AA

Named colours

Nearest named CSS colourSteel blue (#4682B4)ΔE 16.49, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#9B7D42
Analogous#428D9B, #51429B
Triadic#9B4260, #609B42
Split complementary#9B5142, #8C9B42
Tetradic#9B428C, #9B7D42, #429B51

Tints, shades & saturation

Lighter +40%#C3CFE6
Lighter +30%#A0B2D6
Lighter +20%#7C95C7
Lighter +10%#5878B8
Darker −10%#334A77
Darker −20%#243453
Darker −30%#141E30
Darker −40%#05070C
More saturated +25%#2657B7
Less saturated −25%#5E697F

Channel breakdown

R66
G96
B155
Red66 (25.9%)
Green96 (37.6%)
Blue155 (60.8%)
Hue219.78°
Saturation (HSL)40.27%
Lightness43.33%
Dominant channelBlue
Hex per channelR 42 · G 60 · B 9B

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Every value on this page was computed from “42609b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.