Colour

#657FBB

#657FBB
Blue
Dark
Nearest: Steel blue

#657FBB is a blue with RGB values 101, 127, 187 and HSL 222°, 39%, 56%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#657FBB#657FBB

HEX#657FBB

RGBrgb(101, 127, 187)

RGB (0–1)0.3961, 0.498, 0.7333

RGB percentages39.6%, 49.8%, 73.3%

HSLhsl(221.9, 38.7%, 56.5%)

HSV / HSBhsv(221.9, 46%, 73.3%)

CMYK46%, 32.1%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,651,835

CSS custom property--colour: #657FBB;

Brightness & contrast

Relative luminance0.21533WCAG 2.x, 0 is black and 1 is white

Perceived brightness128.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.31:1

Contrast with white3.96:1WCAG normal text: Fail

Contrast with black5.31:1WCAG normal text: AA

Greyscale equivalent#7E7E7E

Inverted#9A8044

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6984BEno red cones; affects about 1% of men; ΔE 2.3 from the original

Deuteranopia#607CBAno green cones; the most common form, about 1% of men; ΔE 1.8 from the original

Tritanopia#448C95no blue cones; rare, and affects men and women equally; ΔE 35.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.96:1WCAG large text: AA

Contrast with black, large text5.31:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.3 Cornflower blue · ΔE 17.2 Light slate grey · ΔE 25.2 Slate grey · ΔE 25.5 Dodgerblue · ΔE 29.7 Dark slateblue · ΔE 30.6

Nearest named CSS colourSteel blue (#4682B4)ΔE 11.3, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BBA165

Analogous#65AABB, #7665BB

Triadic#BB657F, #7FBB65

Split complementary#BB7665, #AABB65

Tetradic#BB65AA, #BBA165, #65BB76

Tints, shades & saturation

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

Lighter +40%#F3F5F9

Lighter +30%#CFD7EA

Lighter +20%#ACBADA

Lighter +10%#889CCB

Darker −10%#4964A4

Darker −20%#394F81

Darker −30%#29395E

Darker −40%#1A243A

More saturated +25%#4974D7

Less saturated −25%#818A9F

Channel breakdown

R101

G127

B187

Red101 (39.6%)

Green127 (49.8%)

Blue187 (73.3%)

Hue221.86°

Saturation (HSL)38.74%

Lightness56.47%

Dominant channelBlue

Hex per channelR 65 · G 7F · B BB

Keep nerding

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

#657FBB

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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