Colour

#657B88

#657B88
Blue
Dark
Nearest: Slate grey

#657B88 is a blue with RGB values 101, 123, 136 and HSL 202°, 15%, 46%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#657B88#657B88

HEX#657B88

RGBrgb(101, 123, 136)

RGB (0–1)0.3961, 0.4824, 0.5333

RGB percentages39.6%, 48.2%, 53.3%

HSLhsl(202.3, 14.8%, 46.5%)

HSV / HSBhsv(202.3, 25.7%, 53.3%)

CMYK25.7%, 9.6%, 0%, 46.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,650,760

CSS custom property--colour: #657B88;

Brightness & contrast

Relative luminance0.1871WCAG 2.x, 0 is black and 1 is white

Perceived brightness118.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.74:1

Contrast with white4.43:1WCAG normal text: Fail

Contrast with black4.74:1WCAG normal text: AA

Greyscale equivalent#777777

Inverted#9A8477

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#757A89no red cones; affects about 1% of men; ΔE 6.4 from the original

Deuteranopia#707688no green cones; the most common form, about 1% of men; ΔE 6.7 from the original

Tritanopia#5B7F7Fno blue cones; rare, and affects men and women equally; ΔE 9.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.43:1WCAG large text: AA

Contrast with black, large text4.74:1WCAG large text: AAA

Named colours

Slate grey · ΔE 3.8 Light slate grey · ΔE 6.3 Gray · ΔE 11.3 Dim grey · ΔE 12.4 Cadetblue · ΔE 18.5 Dark slate grey · ΔE 21.2

Nearest named CSS colourSlate grey (#708090)ΔE 3.78, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#887265

Analogous#658883, #656A88

Triadic#88657B, #7B8865

Split complementary#88656A, #888465

Tetradic#836588, #887265, #6A8865

Tints, shades & saturation

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

Lighter +40%#D7DEE2

Lighter +30%#BAC5CC

Lighter +20%#9DADB6

Lighter +10%#8094A0

Darker −10%#4F616B

Darker −20%#3A464D

Darker −30%#242C30

Darker −40%#0E1113

More saturated +25%#4783A6

Less saturated −25%#767676

Channel breakdown

R101

G123

B136

Red101 (39.6%)

Green123 (48.2%)

Blue136 (53.3%)

Hue202.29°

Saturation (HSL)14.77%

Lightness46.47%

Dominant channelBlue

Hex per channelR 65 · G 7B · B 88

Keep nerding

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

#657B88

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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