Colour

#0042FB

#0042FB
Blue
Dark
Nearest: Medium blue

#0042FB is a blue with RGB values 0, 66, 251 and HSL 224°, 100%, 49%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#0042FB#0042FB

HEX#0042FB

RGBrgb(0, 66, 251)

RGB (0–1)0, 0.2588, 0.9843

RGB percentages0%, 25.9%, 98.4%

HSLhsl(224.2, 100%, 49.2%)

HSV / HSBhsv(224.2, 100%, 98.4%)

CMYK100%, 73.7%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer17,147

CSS custom property--colour: #0042FB;

Brightness & contrast

Relative luminance0.10861WCAG 2.x, 0 is black and 1 is white

Perceived brightness98.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.62:1

Contrast with white6.62:1WCAG normal text: AA

Contrast with black3.17:1WCAG normal text: Fail

Greyscale equivalent#414141

Inverted#FFBD04

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0068FFno red cones; affects about 1% of men; ΔE 26.7 from the original

Deuteranopia#0051F8no green cones; the most common form, about 1% of men; ΔE 12.2 from the original

Tritanopia#007A9Cno blue cones; rare, and affects men and women equally; ΔE 98.7 from the original

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

Contrast with white, large text6.62:1WCAG large text: AAA

Contrast with black, large text3.17:1WCAG large text: AA

Named colours

Medium blue · ΔE 18.6 Blue violet · ΔE 24 Blue · ΔE 28.3 Dark violet · ΔE 31.3 Medium slateblue · ΔE 34.5 Dark orchid · ΔE 35.3

Nearest named CSS colourMedium blue (#0000CD)ΔE 18.59, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FBB900

Analogous#00BFFB, #3C00FB

Triadic#FB0042, #42FB00

Split complementary#FB3B00, #C0FB00

Tetradic#FB00BF, #FBB900, #00FB3B

Tints, shades & saturation

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

Lighter +40%#C8D6FF

Lighter +30%#95B1FF

Lighter +20%#628BFF

Lighter +10%#2F66FF

Darker −10%#0035C8

Darker −20%#002795

Darker −30%#001A62

Darker −40%#000C2F

More saturated +25%#0042FB

Less saturated −25%#1F51DC

Channel breakdown

G66

B251

Red0 (0%)

Green66 (25.9%)

Blue251 (98.4%)

Hue224.22°

Saturation (HSL)100%

Lightness49.22%

Dominant channelBlue

Hex per channelR 00 · G 42 · B FB

Keep nerding

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

#0042FB

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

Nerdulate something else