Recognised as Colour

#0041CF

#0041CF
Blue
Dark
Nearest: Medium slateblue

#0041CF is a blue with RGB values 0, 65, 207 and HSL 221°, 100%, 41%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#0041CF#0041CF

HEX#0041CF

RGBrgb(0, 65, 207)

RGB (0–1)0, 0.2549, 0.8118

RGB percentages0%, 25.5%, 81.2%

HSLhsl(221.2, 100%, 40.6%)

HSV / HSBhsv(221.2, 100%, 81.2%)

CMYK100%, 68.6%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,847

CSS custom property--colour: #0041CF;

Brightness & contrast

Relative luminance0.08286WCAG 2.x, 0 is black and 1 is white

Perceived brightness85.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.9:1

Contrast with white7.9:1WCAG normal text: AAA

Contrast with black2.66:1WCAG normal text: Fail

Greyscale equivalent#3D3D3D

Inverted#FFBE30

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005BD3no red cones; affects about 1% of men; ΔE 19.1 from the original

Deuteranopia#0048CCno green cones; the most common form, about 1% of men; ΔE 7.1 from the original

Tritanopia#006983no blue cones; rare, and affects men and women equally; ΔE 79.1 from the original

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

Contrast with white, large text7.9:1WCAG large text: AAA

Contrast with black, large text2.66:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 20.9 Slate blue · ΔE 22.3 Royal blue · ΔE 22.7 Dark blue · ΔE 23.5 Navy · ΔE 25.6 Indigo · ΔE 29.5

Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 20.92, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CF8E00

Analogous#00A9CF, #2600CF

Triadic#CF0041, #41CF00

Split complementary#CF2600, #A9CF00

Tetradic#CF00A9, #CF8E00, #00CF26

Tints, shades & saturation

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

Lighter +40%#9CBBFF

Lighter +30%#6998FF

Lighter +20%#3675FF

Lighter +10%#0352FF

Darker −10%#00319C

Darker −20%#002169

Darker −30%#001136

Darker −40%#000103

More saturated +25%#0041CF

Less saturated −25%#1A4BB5

Channel breakdown

G65

B207

Red0 (0%)

Green65 (25.5%)

Blue207 (81.2%)

Hue221.16°

Saturation (HSL)100%

Lightness40.59%

Dominant channelBlue

Hex per channelR 00 · G 41 · B CF

Keep nerding

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

#0041CF

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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