Colour

#4241CF

#4241CF
Blue
Dark
Nearest: Medium slateblue

#4241CF is a blue with RGB values 66, 65, 207 and HSL 240°, 60%, 53%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#4241CF#4241CF

HEX#4241CF

RGBrgb(66, 65, 207)

RGB (0–1)0.2588, 0.2549, 0.8118

RGB percentages25.9%, 25.5%, 81.2%

HSLhsl(240.4, 59.7%, 53.3%)

HSV / HSBhsv(240.4, 68.6%, 81.2%)

CMYK68.1%, 68.6%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,342,223

CSS custom property--colour: #4241CF;

Brightness & contrast

Relative luminance0.09444WCAG 2.x, 0 is black and 1 is white

Perceived brightness93.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.27:1

Contrast with white7.27:1WCAG normal text: AAA

Contrast with black2.89:1WCAG normal text: Fail

Greyscale equivalent#4B4B4B

Inverted#BDBE30

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005DD3no red cones; affects about 1% of men; ΔE 22.4 from the original

Deuteranopia#0050CCno green cones; the most common form, about 1% of men; ΔE 15.6 from the original

Tritanopia#006883no blue cones; rare, and affects men and women equally; ΔE 78.7 from the original

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

Contrast with white, large text7.27:1WCAG large text: AAA

Contrast with black, large text2.89:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 17.5 Slate blue · ΔE 19.5 Royal blue · ΔE 22.9 Dark blue · ΔE 23.1 Dark orchid · ΔE 24.9 Navy · ΔE 25.4

Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 17.5, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CECF41

Analogous#4187CF, #8941CF

Triadic#CF4241, #41CF42

Split complementary#CF8941, #87CF41

Tetradic#CF4187, #CECF41, #41CF89

Tints, shades & saturation

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

Lighter +40%#E4E4F8

Lighter +30%#BCBBEE

Lighter +20%#9392E4

Lighter +10%#6A6AD9

Darker −10%#2D2DB0

Darker −20%#232288

Darker −30%#18185F

Darker −40%#0E0E36

More saturated +25%#2523ED

Less saturated −25%#5F5FB1

Channel breakdown

R66

G65

B207

Red66 (25.9%)

Green65 (25.5%)

Blue207 (81.2%)

Hue240.42°

Saturation (HSL)59.66%

Lightness53.33%

Dominant channelBlue

Hex per channelR 42 · G 41 · B CF

Keep nerding

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#4241CF

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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