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Colour

#3B4B6C

  • #3B4B6C
  • Blue
  • Dark
  • Nearest: Dark slate grey

#3B4B6C is a blue with RGB values 59, 75, 108 and HSL 220°, 29%, 33%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3B4B6C#3B4B6C
HEX#3B4B6C
RGBrgb(59, 75, 108)
RGB (0–1)0.2314, 0.2941, 0.4235
RGB percentages23.1%, 29.4%, 42.4%
HSLhsl(220.4, 29.3%, 32.7%)
HSV / HSBhsv(220.4, 45.4%, 42.4%)
CMYK45.4%, 30.6%, 0%, 57.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,885,932
CSS custom property--colour: #3B4B6C;

Brightness & contrast

Relative luminance0.07045WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.72:1
Contrast with white8.72:1WCAG normal text: AAA
Contrast with black2.41:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#C4B493

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F4E6Dno red cones; affects about 1% of men; ΔE 1.9 from the original
Deuteranopia#3A496Bno green cones; the most common form, about 1% of men; ΔE 1.1 from the original
Tritanopia#2A5257no blue cones; rare, and affects men and women equally; ΔE 21 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.72:1WCAG large text: AAA
Contrast with black, large text2.41:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 23Slate grey · ΔE 24.1Steel blue · ΔE 24.5Dim grey · ΔE 24.7Light slate grey · ΔE 26.6Gray · ΔE 30.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6C5C3B
Analogous#3B636C, #443B6C
Triadic#6C3B4B, #4B6C3B
Split complementary#6C443B, #636C3B
Tetradic#6C3B63, #6C5C3B, #3B6C44

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A5B2CE
Lighter +30%#8496BC
Lighter +20%#637AAA
Lighter +10%#4D628D
Darker −10%#29344B
Darker −20%#171D2A
Darker −30%#050609
Darker −40%#000000
More saturated +25%#264481
Less saturated −25%#505257

Channel breakdown

R59
G75
B108
Red59 (23.1%)
Green75 (29.4%)
Blue108 (42.4%)
Hue220.41°
Saturation (HSL)29.34%
Lightness32.75%
Dominant channelBlue
Hex per channelR 3B · G 4B · B 6C

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Every value on this page was computed from “3b4b6c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.