Colour

#0042DC

#0042DC
Blue
Dark
Nearest: Medium slateblue

#0042DC is a blue with RGB values 0, 66, 220 and HSL 222°, 100%, 43%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#0042DC#0042DC

HEX#0042DC

RGBrgb(0, 66, 220)

RGB (0–1)0, 0.2588, 0.8627

RGB percentages0%, 25.9%, 86.3%

HSLhsl(222, 100%, 43.1%)

HSV / HSBhsv(222, 100%, 86.3%)

CMYK100%, 70%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer17,116

CSS custom property--colour: #0042DC;

Brightness & contrast

Relative luminance0.09064WCAG 2.x, 0 is black and 1 is white

Perceived brightness89.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.47:1

Contrast with white7.47:1WCAG normal text: AAA

Contrast with black2.81:1WCAG normal text: Fail

Greyscale equivalent#3F3F3F

Inverted#FFBD23

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005FE1no red cones; affects about 1% of men; ΔE 20.6 from the original

Deuteranopia#004BD9no green cones; the most common form, about 1% of men; ΔE 8.4 from the original

Tritanopia#006E8Ano blue cones; rare, and affects men and women equally; ΔE 84.8 from the original

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

Contrast with white, large text7.47:1WCAG large text: AAA

Contrast with black, large text2.81:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 23.2 Dark blue · ΔE 25.6 Blue violet · ΔE 26.7 Medium blue · ΔE 26.9 Slate blue · ΔE 27.1 Royal blue · ΔE 27.4

Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 23.16, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DC9A00

Analogous#00B0DC, #2C00DC

Triadic#DC0042, #42DC00

Split complementary#DC2C00, #B0DC00

Tetradic#DC00B0, #DC9A00, #00DC2C

Tints, shades & saturation

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

Lighter +40%#A9C3FF

Lighter +30%#769FFF

Lighter +20%#437BFF

Lighter +10%#1058FF

Darker −10%#0033A9

Darker −20%#002376

Darker −30%#001443

Darker −40%#000510

More saturated +25%#0042DC

Less saturated −25%#1C4DC1

Channel breakdown

G66

B220

Red0 (0%)

Green66 (25.9%)

Blue220 (86.3%)

Hue222°

Saturation (HSL)100%

Lightness43.14%

Dominant channelBlue

Hex per channelR 00 · G 42 · B DC

Keep nerding

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

#0042DC

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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