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Recognised as Colour

#4C556B

  • #4C556B
  • Blue
  • Dark
  • Nearest: Dim grey

#4C556B is a blue with RGB values 76, 85, 107 and HSL 223°, 17%, 36%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#4C556B#4C556B
HEX#4C556B
RGBrgb(76, 85, 107)
RGB (0–1)0.298, 0.3333, 0.4196
RGB percentages29.8%, 33.3%, 42%
HSLhsl(222.6, 16.9%, 35.9%)
HSV / HSBhsv(222.6, 29%, 42%)
CMYK29%, 20.6%, 0%, 58%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,002,603
CSS custom property--colour: #4C556B;

Brightness & contrast

Relative luminance0.09095WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.45:1
Contrast with white7.45:1WCAG normal text: AAA
Contrast with black2.82:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#B3AA94

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4E576Cno red cones; affects about 1% of men; ΔE 1 from the original
Deuteranopia#4B546Ano green cones; the most common form, about 1% of men; ΔE 0.4 from the original
Tritanopia#44595Cno blue cones; rare, and affects men and women equally; ΔE 13.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.45:1WCAG large text: AAA
Contrast with black, large text2.82:1WCAG large text: Fail

Named colours

Dim grey · ΔE 16.2Slate grey · ΔE 17.5Dark slate grey · ΔE 17.7Light slate grey · ΔE 20.4Gray · ΔE 22.3Steel blue · ΔE 25.3
Nearest named CSS colourDim grey (#696969)ΔE 16.2, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6B624C
Analogous#4C646B, #534C6B
Triadic#6B4C55, #556B4C
Split complementary#6B534C, #646B4C
Tetradic#6B4C65, #6B624C, #4C6B53

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B7BDCC
Lighter +30%#99A2B7
Lighter +20%#7B87A2
Lighter +10%#616D89
Darker −10%#373D4D
Darker −20%#22262F
Darker −30%#0C0E12
Darker −40%#000000
More saturated +25%#354B82
Less saturated −25%#5C5C5C

Channel breakdown

R76
G85
B107
Red76 (29.8%)
Green85 (33.3%)
Blue107 (42%)
Hue222.58°
Saturation (HSL)16.94%
Lightness35.88%
Dominant channelBlue
Hex per channelR 4C · G 55 · B 6B

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Every value on this page was computed from “4c556b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.