Colour

#575BBE

#575BBE
Blue
Dark
Nearest: Slate blue

#575BBE is a blue with RGB values 87, 91, 190 and HSL 238°, 44%, 54%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#575BBE#575BBE

HEX#575BBE

RGBrgb(87, 91, 190)

RGB (0–1)0.3412, 0.3569, 0.7451

RGB percentages34.1%, 35.7%, 74.5%

HSLhsl(237.7, 44.2%, 54.3%)

HSV / HSBhsv(237.7, 54.2%, 74.5%)

CMYK54.2%, 52.1%, 0%, 25.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,725,118

CSS custom property--colour: #575BBE;

Brightness & contrast

Relative luminance0.13226WCAG 2.x, 0 is black and 1 is white

Perceived brightness106 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.76:1

Contrast with white5.76:1WCAG normal text: AA

Contrast with black3.65:1WCAG normal text: Fail

Greyscale equivalent#616161

Inverted#A8A441

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#266AC1no red cones; affects about 1% of men; ΔE 16.4 from the original

Deuteranopia#1562BCno green cones; the most common form, about 1% of men; ΔE 14.5 from the original

Tritanopia#267184no blue cones; rare, and affects men and women equally; ΔE 55.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text5.76:1WCAG large text: AAA

Contrast with black, large text3.65:1WCAG large text: AA

Named colours

Slate blue · ΔE 10.8 Royal blue · ΔE 13.4 Medium purple · ΔE 15.8 Dark slateblue · ΔE 16.3 Rebecca purple · ΔE 19.9 Medium slateblue · ΔE 21.1

Nearest named CSS colourSlate blue (#6A5ACD)ΔE 10.77, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BEBA57

Analogous#578EBE, #8757BE

Triadic#BE575B, #5BBE57

Split complementary#BE8757, #8FBE57

Tetradic#BE578E, #BEBA57, #57BE87

Tints, shades & saturation

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

Lighter +40%#EAEBF7

Lighter +30%#C5C7E9

Lighter +20%#A1A3DA

Lighter +10%#7C7FCC

Darker −10%#3F43A3

Darker −20%#31347E

Darker −30%#232559

Darker −40%#141635

More saturated +25%#3A40DB

Less saturated −25%#7476A1

Channel breakdown

R87

G91

B190

Red87 (34.1%)

Green91 (35.7%)

Blue190 (74.5%)

Hue237.67°

Saturation (HSL)44.21%

Lightness54.31%

Dominant channelBlue

Hex per channelR 57 · G 5B · B BE

Keep nerding

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

#575BBE

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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