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Recognised as Colour

#55669C

  • #55669C
  • Blue
  • Dark
  • Nearest: Steel blue

#55669C is a blue with RGB values 85, 102, 156 and HSL 226°, 29%, 47%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#55669C#55669C
HEX#55669C
RGBrgb(85, 102, 156)
RGB (0–1)0.3333, 0.4, 0.6118
RGB percentages33.3%, 40%, 61.2%
HSLhsl(225.6, 29.5%, 47.3%)
HSV / HSBhsv(225.6, 45.5%, 61.2%)
CMYK45.5%, 34.6%, 0%, 38.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,596,828
CSS custom property--colour: #55669C;

Brightness & contrast

Relative luminance0.13834WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.57:1
Contrast with white5.57:1WCAG normal text: AA
Contrast with black3.77:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#AA9963

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#536B9Eno red cones; affects about 1% of men; ΔE 3.5 from the original
Deuteranopia#4C659Bno green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#3B717Ano blue cones; rare, and affects men and women equally; ΔE 31.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.57:1WCAG large text: AAA
Contrast with black, large text3.77:1WCAG large text: AA

Named colours

Steel blue · ΔE 15.2Dark slateblue · ΔE 24.4Slate grey · ΔE 25Cornflower blue · ΔE 25.4Light slate grey · ΔE 25.9Dim grey · ΔE 32.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 15.23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9C8B55
Analogous#558A9C, #67559C
Triadic#9C5566, #669C55
Split complementary#9C6755, #8A9C55
Tetradic#9C558A, #9C8B55, #559C67

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D5DAE8
Lighter +30%#B4BCD6
Lighter +20%#939FC4
Lighter +10%#7281B2
Darker −10%#43507B
Darker −20%#313B5A
Darker −30%#1F2539
Darker −40%#0D1018
More saturated +25%#3756BA
Less saturated −25%#73767E

Channel breakdown

R85
G102
B156
Red85 (33.3%)
Green102 (40%)
Blue156 (61.2%)
Hue225.63°
Saturation (HSL)29.46%
Lightness47.25%
Dominant channelBlue
Hex per channelR 55 · G 66 · B 9C

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Every value on this page was computed from “55669c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.