Colour

#0042F9

#0042F9
Blue
Dark
Nearest: Medium blue

#0042F9 is a blue with RGB values 0, 66, 249 and HSL 224°, 100%, 49%. 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 blue.

Colour values

#0042F9#0042F9

HEX#0042F9

RGBrgb(0, 66, 249)

RGB (0–1)0, 0.2588, 0.9765

RGB percentages0%, 25.9%, 97.6%

HSLhsl(224.1, 100%, 48.8%)

HSV / HSBhsv(224.1, 100%, 97.6%)

CMYK100%, 73.5%, 0%, 2.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer17,145

CSS custom property--colour: #0042F9;

Brightness & contrast

Relative luminance0.10736WCAG 2.x, 0 is black and 1 is white

Perceived brightness98.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.67:1

Contrast with white6.67:1WCAG normal text: AA

Contrast with black3.15:1WCAG normal text: Fail

Greyscale equivalent#414141

Inverted#FFBD06

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0067FEno red cones; affects about 1% of men; ΔE 25.6 from the original

Deuteranopia#0051F6no green cones; the most common form, about 1% of men; ΔE 12.2 from the original

Tritanopia#00799Bno blue cones; rare, and affects men and women equally; ΔE 97.6 from the original

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

Contrast with white, large text6.67:1WCAG large text: AAA

Contrast with black, large text3.15:1WCAG large text: AA

Named colours

Medium blue · ΔE 18.8 Blue violet · ΔE 23.8 Blue · ΔE 29.2 Dark violet · ΔE 31.2 Medium slateblue · ΔE 33.6 Dark blue · ΔE 34.8

Nearest named CSS colourMedium blue (#0000CD)ΔE 18.78, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#F9B700

Analogous#00BEF9, #3B00F9

Triadic#F90042, #42F900

Split complementary#F93A00, #BFF900

Tetradic#F900BE, #F9B700, #00F93A

Tints, shades & saturation

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

Lighter +40%#C6D5FF

Lighter +30%#93B0FF

Lighter +20%#608AFF

Lighter +10%#2D65FF

Darker −10%#0034C6

Darker −20%#002793

Darker −30%#001960

Darker −40%#000C2D

More saturated +25%#0042F9

Less saturated −25%#1F51DA

Channel breakdown

G66

B249

Red0 (0%)

Green66 (25.9%)

Blue249 (97.6%)

Hue224.1°

Saturation (HSL)100%

Lightness48.82%

Dominant channelBlue

Hex per channelR 00 · G 42 · B F9

Keep nerding

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

#0042F9

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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