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Recognised as Colour

#5558BC

  • #5558BC
  • Blue
  • Dark
  • Nearest: Slate blue

#5558BC is a blue with RGB values 85, 88, 188 and HSL 238°, 43%, 54%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#5558BC#5558BC
HEX#5558BC
RGBrgb(85, 88, 188)
RGB (0–1)0.3333, 0.3451, 0.7373
RGB percentages33.3%, 34.5%, 73.7%
HSLhsl(238.3, 43.5%, 53.5%)
HSV / HSBhsv(238.3, 54.8%, 73.7%)
CMYK54.8%, 53.2%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,593,276
CSS custom property--colour: #5558BC;

Brightness & contrast

Relative luminance0.12542WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.99:1
Contrast with white5.99:1WCAG normal text: AA
Contrast with black3.51:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#AAA743

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1F67BFno red cones; affects about 1% of men; ΔE 16.7 from the original
Deuteranopia#095FBAno green cones; the most common form, about 1% of men; ΔE 14.8 from the original
Tritanopia#236F81no blue cones; rare, and affects men and women equally; ΔE 57.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.99:1WCAG large text: AAA
Contrast with black, large text3.51:1WCAG large text: AA

Named colours

Slate blue · ΔE 10.1Royal blue · ΔE 13.4Dark slateblue · ΔE 15.9Medium purple · ΔE 16.2Rebecca purple · ΔE 18.9Medium slateblue · ΔE 20.7
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 10.12, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BCB955
Analogous#558CBC, #8555BC
Triadic#BC5558, #58BC55
Split complementary#BC8555, #8CBC55
Tetradic#BC558C, #BCB955, #55BC85

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E7E8F6
Lighter +30%#C3C4E7
Lighter +20%#9EA0D9
Lighter +10%#7A7CCA
Darker −10%#3F429F
Darker −20%#30337B
Darker −30%#222356
Darker −40%#141431
More saturated +25%#373CDA
Less saturated −25%#73749E

Channel breakdown

R85
G88
B188
Red85 (33.3%)
Green88 (34.5%)
Blue188 (73.7%)
Hue238.25°
Saturation (HSL)43.46%
Lightness53.53%
Dominant channelBlue
Hex per channelR 55 · G 58 · B BC

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Every value on this page was computed from “5558bc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.