Recognised as Colour

#577ADF

#577ADF
Blue
Dark
Nearest: Dodgerblue

#577ADF is a blue with RGB values 87, 122, 223 and HSL 225°, 68%, 61%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#577ADF#577ADF

HEX#577ADF

RGBrgb(87, 122, 223)

RGB (0–1)0.3412, 0.4784, 0.8745

RGB percentages34.1%, 47.8%, 87.5%

HSLhsl(224.6, 68%, 60.8%)

HSV / HSBhsv(224.6, 61%, 87.5%)

CMYK61%, 45.3%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,733,087

CSS custom property--colour: #577ADF;

Brightness & contrast

Relative luminance0.21273WCAG 2.x, 0 is black and 1 is white

Perceived brightness129.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.25:1

Contrast with white4:1WCAG normal text: Fail

Contrast with black5.25:1WCAG normal text: AA

Greyscale equivalent#7A7A7A

Inverted#A88520

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4A86E3no red cones; affects about 1% of men; ΔE 9 from the original

Deuteranopia#3479DDno green cones; the most common form, about 1% of men; ΔE 5.9 from the original

Tritanopia#0091A2no blue cones; rare, and affects men and women equally; ΔE 58 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4:1WCAG large text: AA

Contrast with black, large text5.25:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 13.2 Royal blue · ΔE 13.7 Cornflower blue · ΔE 14 Medium purple · ΔE 19.2 Slate blue · ΔE 19.4 Medium slateblue · ΔE 24.8

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 13.2, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#DFBC57

Analogous#57BEDF, #7857DF

Triadic#DF577A, #7ADF57

Split complementary#DF7857, #BEDF57

Tetradic#DF57BE, #DFBC57, #57DF78

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#D8E0F7

Lighter +20%#ADBEEF

Lighter +10%#829CE7

Darker −10%#2C58D7

Darker −20%#2146AF

Darker −30%#193584

Darker −40%#112459

More saturated +25%#3E6EF8

Less saturated −25%#7086C6

Channel breakdown

R87

G122

B223

Red87 (34.1%)

Green122 (47.8%)

Blue223 (87.5%)

Hue224.56°

Saturation (HSL)68%

Lightness60.78%

Dominant channelBlue

Hex per channelR 57 · G 7A · B DF

Keep nerding

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

#577ADF

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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