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Recognised as Colour

#576BC4

  • #576BC4
  • Blue
  • Dark
  • Nearest: Cornflower blue

#576BC4 is a blue with RGB values 87, 107, 196 and HSL 229°, 48%, 55%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#576BC4#576BC4
HEX#576BC4
RGBrgb(87, 107, 196)
RGB (0–1)0.3412, 0.4196, 0.7686
RGB percentages34.1%, 42%, 76.9%
HSLhsl(229, 48%, 55.5%)
HSV / HSBhsv(229, 55.6%, 76.9%)
CMYK55.6%, 45.4%, 0%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,729,220
CSS custom property--colour: #576BC4;

Brightness & contrast

Relative luminance0.16527WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.88:1
Contrast with white4.88:1WCAG normal text: AA
Contrast with black4.31:1WCAG normal text: Fail
Greyscale equivalent#6D6D6D
Inverted#A8943B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4376C7no red cones; affects about 1% of men; ΔE 10 from the original
Deuteranopia#356DC2no green cones; the most common form, about 1% of men; ΔE 8.1 from the original
Tritanopia#197F8Eno blue cones; rare, and affects men and women equally; ΔE 52.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.88:1WCAG large text: AAA
Contrast with black, large text4.31:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 17.1Royal blue · ΔE 18Medium purple · ΔE 19.5Slate blue · ΔE 19.6Dark slateblue · ΔE 19.6Dodgerblue · ΔE 20.6
Nearest named CSS colourCornflower blue (#6495ED)ΔE 17.09, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C4B057
Analogous#57A2C4, #7A57C4
Triadic#C4576B, #6BC457
Split complementary#C47A57, #A1C457
Tetradic#C457A2, #C4B057, #57C47A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEF0F9
Lighter +30%#C8CFEC
Lighter +20%#A2AEDF
Lighter +10%#7D8CD1
Darker −10%#3C51AC
Darker −20%#2F3F86
Darker −30%#222D60
Darker −40%#151B3A
More saturated +25%#3B59E0
Less saturated −25%#737DA8

Channel breakdown

R87
G107
B196
Red87 (34.1%)
Green107 (42%)
Blue196 (76.9%)
Hue228.99°
Saturation (HSL)48.02%
Lightness55.49%
Dominant channelBlue
Hex per channelR 57 · G 6B · B C4

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Every value on this page was computed from “576bc4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.