Recognised as Colour

#256CCB

#256CCB
Blue
Dark
Nearest: Dodgerblue

#256CCB is a blue with RGB values 37, 108, 203 and HSL 214°, 69%, 47%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#256CCB#256CCB

HEX#256CCB

RGBrgb(37, 108, 203)

RGB (0–1)0.1451, 0.4235, 0.7961

RGB percentages14.5%, 42.4%, 79.6%

HSLhsl(214.3, 69.2%, 47.1%)

HSV / HSBhsv(214.3, 81.8%, 79.6%)

CMYK81.8%, 46.8%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,452,683

CSS custom property--colour: #256CCB;

Brightness & contrast

Relative luminance0.1543WCAG 2.x, 0 is black and 1 is white

Perceived brightness109.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.14:1

Contrast with white5.14:1WCAG normal text: AA

Contrast with black4.09:1WCAG normal text: Fail

Greyscale equivalent#646464

Inverted#DA9334

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3775CFno red cones; affects about 1% of men; ΔE 5 from the original

Deuteranopia#0067C9no green cones; the most common form, about 1% of men; ΔE 3.1 from the original

Tritanopia#008391no blue cones; rare, and affects men and women equally; ΔE 54.5 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text5.14:1WCAG large text: AAA

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

Named colours

Dodgerblue · ΔE 15.7 Royal blue · ΔE 16.6 Cornflower blue · ΔE 17.2 Slate blue · ΔE 23.2 Dark slateblue · ΔE 24.2 Medium purple · ΔE 25.9

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 15.7, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CB8425

Analogous#25BFCB, #3125CB

Triadic#CB256C, #6CCB25

Split complementary#CB3125, #BFCB25

Tetradic#CB25BF, #CB8425, #25CB31

Tints, shades & saturation

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

Lighter +40%#C7DBF5

Lighter +30%#9CBFED

Lighter +20%#71A3E5

Lighter +10%#4687DD

Darker −10%#1D55A0

Darker −20%#153E75

Darker −30%#0D274A

Darker −40%#06101E

More saturated +25%#0768E9

Less saturated −25%#4370AD

Channel breakdown

R37

G108

B203

Red37 (14.5%)

Green108 (42.4%)

Blue203 (79.6%)

Hue214.34°

Saturation (HSL)69.17%

Lightness47.06%

Dominant channelBlue

Hex per channelR 25 · G 6C · B CB

Keep nerding

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

#256CCB

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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