Nerdulator> put something in

Colour

#556FB6

  • #556FB6
  • Blue
  • Dark
  • Nearest: Cornflower blue

#556FB6 is a blue with RGB values 85, 111, 182 and HSL 224°, 40%, 52%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#556FB6#556FB6
HEX#556FB6
RGBrgb(85, 111, 182)
RGB (0–1)0.3333, 0.4353, 0.7137
RGB percentages33.3%, 43.5%, 71.4%
HSLhsl(223.9, 39.9%, 52.4%)
HSV / HSBhsv(223.9, 53.3%, 71.4%)
CMYK53.3%, 39%, 0%, 28.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,599,158
CSS custom property--colour: #556FB6;

Brightness & contrast

Relative luminance0.16678WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.84:1
Contrast with white4.84:1WCAG normal text: AA
Contrast with black4.34:1WCAG normal text: Fail
Greyscale equivalent#6F6F6F
Inverted#AA9049

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5276B9no red cones; affects about 1% of men; ΔE 4.6 from the original
Deuteranopia#476EB4no green cones; the most common form, about 1% of men; ΔE 3.3 from the original
Tritanopia#257E8Ano blue cones; rare, and affects men and women equally; ΔE 42.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.84:1WCAG large text: AAA
Contrast with black, large text4.34:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 16.7Steel blue · ΔE 18Dark slateblue · ΔE 22.6Dodgerblue · ΔE 25.6Medium purple · ΔE 28.2Royal blue · ΔE 28.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 16.68, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B69C55
Analogous#55A0B6, #6B55B6
Triadic#B6556F, #6FB655
Split complementary#B66B55, #A0B655
Tetradic#B655A0, #B69C55, #55B66B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E4E8F3
Lighter +30%#C0CAE4
Lighter +20%#9CABD5
Lighter +10%#798DC5
Darker −10%#415897
Darker −20%#324373
Darker −30%#222E50
Darker −40%#131A2C
More saturated +25%#3761D4
Less saturated −25%#737D98

Channel breakdown

R85
G111
B182
Red85 (33.3%)
Green111 (43.5%)
Blue182 (71.4%)
Hue223.92°
Saturation (HSL)39.92%
Lightness52.35%
Dominant channelBlue
Hex per channelR 55 · G 6F · B B6

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “556fb6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.