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Colour

#3B4377

  • #3B4377
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3B4377 is a blue with RGB values 59, 67, 119 and HSL 232°, 34%, 35%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3B4377#3B4377
HEX#3B4377
RGBrgb(59, 67, 119)
RGB (0–1)0.2314, 0.2627, 0.4667
RGB percentages23.1%, 26.3%, 46.7%
HSLhsl(232, 33.7%, 34.9%)
HSV / HSBhsv(232, 50.4%, 46.7%)
CMYK50.4%, 43.7%, 0%, 53.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,883,895
CSS custom property--colour: #3B4377;

Brightness & contrast

Relative luminance0.06276WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.31:1
Contrast with white9.31:1WCAG normal text: AAA
Contrast with black2.26:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#C4BC88

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2F4979no red cones; affects about 1% of men; ΔE 6.3 from the original
Deuteranopia#294576no green cones; the most common form, about 1% of men; ΔE 6 from the original
Tritanopia#244E57no blue cones; rare, and affects men and women equally; ΔE 31.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.31:1WCAG large text: AAA
Contrast with black, large text2.26:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.8Steel blue · ΔE 27.7Midnight blue · ΔE 30.5Slate grey · ΔE 33.7Rebecca purple · ΔE 34.8Light slate grey · ΔE 35.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#776F3B
Analogous#3B6177, #513B77
Triadic#773B43, #43773B
Split complementary#77513B, #61773B
Tetradic#773B61, #776F3B, #3B7751

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A9AFD5
Lighter +30%#878FC4
Lighter +20%#6570B3
Lighter +10%#4C5699
Darker −10%#2A3055
Darker −20%#191D33
Darker −30%#080911
Darker −40%#000000
More saturated +25%#25338D
Less saturated −25%#515361

Channel breakdown

R59
G67
B119
Red59 (23.1%)
Green67 (26.3%)
Blue119 (46.7%)
Hue232°
Saturation (HSL)33.71%
Lightness34.9%
Dominant channelBlue
Hex per channelR 3B · G 43 · B 77

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Every value on this page was computed from “3b4377” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.