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Recognised as Colour

#3B487A

  • #3B487A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3B487A is a blue with RGB values 59, 72, 122 and HSL 228°, 35%, 35%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3B487A#3B487A
HEX#3B487A
RGBrgb(59, 72, 122)
RGB (0–1)0.2314, 0.2824, 0.4784
RGB percentages23.1%, 28.2%, 47.8%
HSLhsl(227.6, 34.8%, 35.5%)
HSV / HSBhsv(227.6, 51.6%, 47.8%)
CMYK51.6%, 41%, 0%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,885,178
CSS custom property--colour: #3B487A;

Brightness & contrast

Relative luminance0.0697WCAG 2.x, 0 is black and 1 is white
Perceived brightness76 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.77:1
Contrast with white8.77:1WCAG normal text: AAA
Contrast with black2.39:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#C4B785

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#354E7Cno red cones; affects about 1% of men; ΔE 5.1 from the original
Deuteranopia#2E4879no green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#21535Bno blue cones; rare, and affects men and women equally; ΔE 31.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.77:1WCAG large text: AAA
Contrast with black, large text2.39:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20.1Steel blue · ΔE 25.1Slate grey · ΔE 31.2Light slate grey · ΔE 33.1Midnight blue · ΔE 33.2Dark slate grey · ΔE 34.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.06, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A6D3B
Analogous#3B687A, #4E3B7A
Triadic#7A3B48, #487A3B
Split complementary#7A4D3B, #687A3B
Tetradic#7A3B68, #7A6D3B, #3B7A4D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ABB4D6
Lighter +30%#8895C6
Lighter +20%#6676B5
Lighter +10%#4C5C9C
Darker −10%#2A3458
Darker −20%#1A1F35
Darker −30%#090B13
Darker −40%#000000
More saturated +25%#243B91
Less saturated −25%#525563

Channel breakdown

R59
G72
B122
Red59 (23.1%)
Green72 (28.2%)
Blue122 (47.8%)
Hue227.62°
Saturation (HSL)34.81%
Lightness35.49%
Dominant channelBlue
Hex per channelR 3B · G 48 · B 7A

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Every value on this page was computed from “3b487a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.