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Recognised as Colour

#3A576A

  • #3A576A
  • Blue
  • Dark
  • Nearest: Dark slate grey

#3A576A is a blue with RGB values 58, 87, 106 and HSL 204°, 29%, 32%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3A576A#3A576A
HEX#3A576A
RGBrgb(58, 87, 106)
RGB (0–1)0.2275, 0.3412, 0.4157
RGB percentages22.7%, 34.1%, 41.6%
HSLhsl(203.8, 29.3%, 32.2%)
HSV / HSBhsv(203.8, 45.3%, 41.6%)
CMYK45.3%, 17.9%, 0%, 58.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,823,466
CSS custom property--colour: #3A576A;

Brightness & contrast

Relative luminance0.08757WCAG 2.x, 0 is black and 1 is white
Perceived brightness82 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.63:1
Contrast with white7.63:1WCAG normal text: AAA
Contrast with black2.75:1WCAG normal text: Fail
Greyscale equivalent#525252
Inverted#C5A895

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4F566Bno red cones; affects about 1% of men; ΔE 7.8 from the original
Deuteranopia#48516Ano green cones; the most common form, about 1% of men; ΔE 8.3 from the original
Tritanopia#275C5Dno blue cones; rare, and affects men and women equally; ΔE 14.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.63:1WCAG large text: AAA
Contrast with black, large text2.75:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 13.1Dim grey · ΔE 17.6Slate grey · ΔE 18Light slate grey · ΔE 20.9Gray · ΔE 23.6Steel blue · ΔE 24.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 13.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6A4D3A
Analogous#3A6A65, #3A3F6A
Triadic#6A3A57, #576A3A
Split complementary#6A3A3F, #6A653A
Tetradic#653A6A, #6A4D3A, #3F6A3A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A3BCCD
Lighter +30%#82A4BB
Lighter +20%#618CA9
Lighter +10%#4C728B
Darker −10%#283C49
Darker −20%#162128
Darker −30%#040607
Darker −40%#000000
More saturated +25%#255B7E
Less saturated −25%#4E5356

Channel breakdown

R58
G87
B106
Red58 (22.7%)
Green87 (34.1%)
Blue106 (41.6%)
Hue203.75°
Saturation (HSL)29.27%
Lightness32.16%
Dominant channelBlue
Hex per channelR 3A · G 57 · B 6A

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Every value on this page was computed from “3a576a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.