Colour

#57617C

#57617C
Blue
Dark
Nearest: Slate grey

#57617C is a blue with RGB values 87, 97, 124 and HSL 224°, 18%, 41%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#57617C#57617C

HEX#57617C

RGBrgb(87, 97, 124)

RGB (0–1)0.3412, 0.3804, 0.4863

RGB percentages34.1%, 38%, 48.6%

HSLhsl(223.8, 17.5%, 41.4%)

HSV / HSBhsv(223.8, 29.8%, 48.6%)

CMYK29.8%, 21.8%, 0%, 51.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,726,588

CSS custom property--colour: #57617C;

Brightness & contrast

Relative luminance0.12031WCAG 2.x, 0 is black and 1 is white

Perceived brightness97.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.17:1

Contrast with white6.17:1WCAG normal text: AA

Contrast with black3.41:1WCAG normal text: Fail

Greyscale equivalent#616161

Inverted#A89E83

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#59637Dno red cones; affects about 1% of men; ΔE 1 from the original

Deuteranopia#55607Bno green cones; the most common form, about 1% of men; ΔE 0.6 from the original

Tritanopia#4D666Ano blue cones; rare, and affects men and women equally; ΔE 15.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.17:1WCAG large text: AAA

Contrast with black, large text3.41:1WCAG large text: AA

Named colours

Slate grey · ΔE 13.9 Light slate grey · ΔE 16.4 Dim grey · ΔE 16.9 Steel blue · ΔE 20.6 Gray · ΔE 20.7 Dark slate grey · ΔE 21.8

Nearest named CSS colourSlate grey (#708090)ΔE 13.9, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7C7257

Analogous#57747C, #5F577C

Triadic#7C5761, #617C57

Split complementary#7C6057, #737C57

Tetradic#7C5774, #7C7257, #577C60

Tints, shades & saturation

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

Lighter +40%#C7CCD8

Lighter +30%#A9B0C3

Lighter +20%#8B95AE

Lighter +10%#6D7999

Darker −10%#424A5E

Darker −20%#2D3240

Darker −30%#181B22

Darker −40%#030304

More saturated +25%#3D5596

Less saturated −25%#6A6A6A

Channel breakdown

R87

G97

B124

Red87 (34.1%)

Green97 (38%)

Blue124 (48.6%)

Hue223.78°

Saturation (HSL)17.54%

Lightness41.37%

Dominant channelBlue

Hex per channelR 57 · G 61 · B 7C

Keep nerding

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

#57617C

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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