Colour

#657AAA

#657AAA
Blue
Dark
Nearest: Steel blue

#657AAA is a blue with RGB values 101, 122, 170 and HSL 222°, 29%, 53%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#657AAA#657AAA

HEX#657AAA

RGBrgb(101, 122, 170)

RGB (0–1)0.3961, 0.4784, 0.6667

RGB percentages39.6%, 47.8%, 66.7%

HSLhsl(221.7, 28.9%, 53.1%)

HSV / HSBhsv(221.7, 40.6%, 66.7%)

CMYK40.6%, 28.2%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,650,538

CSS custom property--colour: #657AAA;

Brightness & contrast

Relative luminance0.19588WCAG 2.x, 0 is black and 1 is white

Perceived brightness122.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.92:1

Contrast with white4.27:1WCAG normal text: Fail

Contrast with black4.92:1WCAG normal text: AA

Greyscale equivalent#797979

Inverted#9A8555

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#697EACno red cones; affects about 1% of men; ΔE 2 from the original

Deuteranopia#6378A9no green cones; the most common form, about 1% of men; ΔE 1 from the original

Tritanopia#4E848Bno blue cones; rare, and affects men and women equally; ΔE 28 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.27:1WCAG large text: AA

Contrast with black, large text4.92:1WCAG large text: AAA

Named colours

Steel blue · ΔE 10 Slate grey · ΔE 18.9 Light slate grey · ΔE 18.9 Cornflower blue · ΔE 24.2 Gray · ΔE 28.5 Dim grey · ΔE 29.3

Nearest named CSS colourSteel blue (#4682B4)ΔE 9.99, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AA9565

Analogous#659CAA, #7365AA

Triadic#AA657A, #7AAA65

Split complementary#AA7365, #9CAA65

Tetradic#AA659C, #AA9565, #65AA73

Tints, shades & saturation

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

Lighter +40%#E8ECF3

Lighter +30%#C8CFE0

Lighter +20%#A7B3CE

Lighter +10%#8696BC

Darker −10%#4E628E

Darker −20%#3C4B6D

Darker −30%#2A344C

Darker −40%#181E2B

More saturated +25%#476EC8

Less saturated −25%#83868C

Channel breakdown

R101

G122

B170

Red101 (39.6%)

Green122 (47.8%)

Blue170 (66.7%)

Hue221.74°

Saturation (HSL)28.87%

Lightness53.14%

Dominant channelBlue

Hex per channelR 65 · G 7A · B AA

Keep nerding

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

#657AAA

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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