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Colour

#555F76

  • #555F76
  • Blue
  • Dark
  • Nearest: Slate grey

#555F76 is a blue with RGB values 85, 95, 118 and HSL 222°, 16%, 40%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#555F76#555F76
HEX#555F76
RGBrgb(85, 95, 118)
RGB (0–1)0.3333, 0.3725, 0.4627
RGB percentages33.3%, 37.3%, 46.3%
HSLhsl(221.8, 16.3%, 39.8%)
HSV / HSBhsv(221.8, 28%, 46.3%)
CMYK28%, 19.5%, 0%, 53.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,594,998
CSS custom property--colour: #555F76;

Brightness & contrast

Relative luminance0.11424WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.39:1
Contrast with white6.39:1WCAG normal text: AA
Contrast with black3.28:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#AAA089

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#586177no red cones; affects about 1% of men; ΔE 1.1 from the original
Deuteranopia#555E75no green cones; the most common form, about 1% of men; ΔE 0.5 from the original
Tritanopia#4C6467no blue cones; rare, and affects men and women equally; ΔE 13.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.39:1WCAG large text: AAA
Contrast with black, large text3.28:1WCAG large text: AA

Named colours

Slate grey · ΔE 13.7Dim grey · ΔE 14.9Light slate grey · ΔE 16.5Dark slate grey · ΔE 19.4Gray · ΔE 19.6Steel blue · ΔE 22.5
Nearest named CSS colourSlate grey (#708090)ΔE 13.67, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#766C55
Analogous#557076, #5B5576
Triadic#76555F, #5F7655
Split complementary#765C55, #707655
Tetradic#765570, #766C55, #55765C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3C8D4
Lighter +30%#A5ADBF
Lighter +20%#8892A9
Lighter +10%#6A7794
Darker −10%#404758
Darker −20%#2A2F3B
Darker −30%#15171D
Darker −40%#000000
More saturated +25%#3C558F
Less saturated −25%#666666

Channel breakdown

R85
G95
B118
Red85 (33.3%)
Green95 (37.3%)
Blue118 (46.3%)
Hue221.82°
Saturation (HSL)16.26%
Lightness39.8%
Dominant channelBlue
Hex per channelR 55 · G 5F · B 76

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Every value on this page was computed from “555f76” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.