Recognised as Colour

#457BDD

#457BDD
Blue
Dark
Nearest: Dodgerblue

#457BDD is a blue with RGB values 69, 123, 221 and HSL 219°, 69%, 57%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#457BDD#457BDD

HEX#457BDD

RGBrgb(69, 123, 221)

RGB (0–1)0.2706, 0.4824, 0.8667

RGB percentages27.1%, 48.2%, 86.7%

HSLhsl(218.7, 69.1%, 56.9%)

HSV / HSBhsv(218.7, 68.8%, 86.7%)

CMYK68.8%, 44.3%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,553,693

CSS custom property--colour: #457BDD;

Brightness & contrast

Relative luminance0.20652WCAG 2.x, 0 is black and 1 is white

Perceived brightness126 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.13:1

Contrast with white4.09:1WCAG normal text: Fail

Contrast with black5.13:1WCAG normal text: AA

Greyscale equivalent#777777

Inverted#BA8422

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4B85E1no red cones; affects about 1% of men; ΔE 5.8 from the original

Deuteranopia#2E77DBno green cones; the most common form, about 1% of men; ΔE 3.2 from the original

Tritanopia#0092A1no blue cones; rare, and affects men and women equally; ΔE 56.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.09:1WCAG large text: AA

Contrast with black, large text5.13:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 11.3 Cornflower blue · ΔE 12.2 Royal blue · ΔE 16.3 Slate blue · ΔE 23.2 Medium purple · ΔE 23.4 Dark slateblue · ΔE 28.1

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 11.33, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DDA745

Analogous#45C7DD, #5B45DD

Triadic#DD457B, #7BDD45

Split complementary#DD5B45, #C7DD45

Tetradic#DD45C7, #DDA745, #45DD5B

Tints, shades & saturation

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

Lighter +40%#F1F5FD

Lighter +30%#C6D7F5

Lighter +20%#9BB8ED

Lighter +10%#709AE5

Darker −10%#2560CA

Darker −20%#1D4B9F

Darker −30%#153774

Darker −40%#0D2249

More saturated +25%#2973F9

Less saturated −25%#6083C2

Channel breakdown

R69

G123

B221

Red69 (27.1%)

Green123 (48.2%)

Blue221 (86.7%)

Hue218.68°

Saturation (HSL)69.09%

Lightness56.86%

Dominant channelBlue

Hex per channelR 45 · G 7B · B DD

Keep nerding

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

#457BDD

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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