Colour

#004CE1

#004CE1
Blue
Dark
Nearest: Medium slateblue

#004CE1 is a blue with RGB values 0, 76, 225 and HSL 220°, 100%, 44%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#004CE1#004CE1

HEX#004CE1

RGBrgb(0, 76, 225)

RGB (0–1)0, 0.298, 0.8824

RGB percentages0%, 29.8%, 88.2%

HSLhsl(219.7, 100%, 44.1%)

HSV / HSBhsv(219.7, 100%, 88.2%)

CMYK100%, 66.2%, 0%, 11.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer19,681

CSS custom property--colour: #004CE1;

Brightness & contrast

Relative luminance0.10605WCAG 2.x, 0 is black and 1 is white

Perceived brightness95.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.73:1

Contrast with white6.73:1WCAG normal text: AA

Contrast with black3.12:1WCAG normal text: Fail

Greyscale equivalent#474747

Inverted#FFB31E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0066E6no red cones; affects about 1% of men; ΔE 18.5 from the original

Deuteranopia#0052DEno green cones; the most common form, about 1% of men; ΔE 6.3 from the original

Tritanopia#007590no blue cones; rare, and affects men and women equally; ΔE 81.8 from the original

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

Contrast with white, large text6.73:1WCAG large text: AAA

Contrast with black, large text3.12:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 19.7 Royal blue · ΔE 22.2 Slate blue · ΔE 23.5 Dark blue · ΔE 28.5 Blue violet · ΔE 30.1 Navy · ΔE 30.9

Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 19.67, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#E19500

Analogous#00BCE1, #2500E1

Triadic#E1004C, #4CE100

Split complementary#E12500, #BCE100

Tetradic#E100BC, #E19500, #00E125

Tints, shades & saturation

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

Lighter +40%#AEC9FF

Lighter +30%#7BA8FF

Lighter +20%#4886FF

Lighter +10%#1564FF

Darker −10%#003BAE

Darker −20%#002A7B

Darker −30%#001848

Darker −40%#000715

More saturated +25%#004CE1

Less saturated −25%#1C55C5

Channel breakdown

G76

B225

Red0 (0%)

Green76 (29.8%)

Blue225 (88.2%)

Hue219.73°

Saturation (HSL)100%

Lightness44.12%

Dominant channelBlue

Hex per channelR 00 · G 4C · B E1

Keep nerding

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#004CE1

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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