Recognised as Colour

#575F91

#575F91
Blue
Dark
Nearest: Steel blue

#575F91 is a blue with RGB values 87, 95, 145 and HSL 232°, 25%, 45%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#575F91#575F91

HEX#575F91

RGBrgb(87, 95, 145)

RGB (0–1)0.3412, 0.3725, 0.5686

RGB percentages34.1%, 37.3%, 56.9%

HSLhsl(231.7, 25%, 45.5%)

HSV / HSBhsv(231.7, 40%, 56.9%)

CMYK40%, 34.5%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,726,097

CSS custom property--colour: #575F91;

Brightness & contrast

Relative luminance0.12255WCAG 2.x, 0 is black and 1 is white

Perceived brightness99.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.09:1

Contrast with white6.09:1WCAG normal text: AA

Contrast with black3.45:1WCAG normal text: Fail

Greyscale equivalent#616161

Inverted#A8A06E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4E6593no red cones; affects about 1% of men; ΔE 5.8 from the original

Deuteranopia#4A6090no green cones; the most common form, about 1% of men; ΔE 4.6 from the original

Tritanopia#456971no blue cones; rare, and affects men and women equally; ΔE 28.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.09:1WCAG large text: AAA

Contrast with black, large text3.45:1WCAG large text: AA

Named colours

Steel blue · ΔE 18.2 Dark slateblue · ΔE 23.5 Slate grey · ΔE 24.5 Light slate grey · ΔE 25.7 Cornflower blue · ΔE 29.1 Dim grey · ΔE 30.4

Nearest named CSS colourSteel blue (#4682B4)ΔE 18.25, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#918957

Analogous#577C91, #6C5791

Triadic#91575F, #5F9157

Split complementary#916C57, #7C9157

Tetradic#91577C, #918957, #57916C

Tints, shades & saturation

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

Lighter +40%#D1D3E3

Lighter +30%#B1B5D0

Lighter +20%#9197BD

Lighter +10%#7179AA

Darker −10%#444A71

Darker −20%#313551

Darker −30%#1E2031

Darker −40%#0B0B12

More saturated +25%#3A4AAE

Less saturated −25%#747474

Channel breakdown

R87

G95

B145

Red87 (34.1%)

Green95 (37.3%)

Blue145 (56.9%)

Hue231.72°

Saturation (HSL)25%

Lightness45.49%

Dominant channelBlue

Hex per channelR 57 · G 5F · B 91

Keep nerding

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

#575F91

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

Nerdulate something else