Colour

#042AFF

#042AFF
Blue
Dark
Nearest: Blue

#042AFF is a blue with RGB values 4, 42, 255 and HSL 231°, 100%, 51%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#042AFF#042AFF

HEX#042AFF

RGBrgb(4, 42, 255)

RGB (0–1)0.0157, 0.1647, 1

RGB percentages1.6%, 16.5%, 100%

HSLhsl(230.9, 100%, 50.8%)

HSV / HSBhsv(230.9, 98.4%, 100%)

CMYK98.4%, 83.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer273,151

CSS custom property--colour: #042AFF;

Brightness & contrast

Relative luminance0.08902WCAG 2.x, 0 is black and 1 is white

Perceived brightness91.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.55:1

Contrast with white7.55:1WCAG normal text: AAA

Contrast with black2.78:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#FBD500

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0060FFno red cones; affects about 1% of men; ΔE 36.1 from the original

Deuteranopia#0047FCno green cones; the most common form, about 1% of men; ΔE 18.8 from the original

Tritanopia#007299no blue cones; rare, and affects men and women equally; ΔE 109.8 from the original

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

Contrast with white, large text7.55:1WCAG large text: AAA

Contrast with black, large text2.78:1WCAG large text: Fail

Named colours

Blue · ΔE 12.5 Medium blue · ΔE 15.2 Blue violet · ΔE 28 Dark violet · ΔE 32.8 Dark orchid · ΔE 42.8 Dark blue · ΔE 43.5

Nearest named CSS colourBlue (#0000FF)ΔE 12.48, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FFD904

Analogous#04A8FF, #5B04FF

Triadic#FF042A, #2AFF04

Split complementary#FF5C04, #A7FF04

Tetradic#FF04A8, #FFD904, #04FF5C

Tints, shades & saturation

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

Lighter +40%#D0D7FF

Lighter +30%#9DACFF

Lighter +20%#6A81FF

Lighter +10%#3755FF

Darker −10%#001FD0

Darker −20%#00189D

Darker −30%#00106A

Darker −40%#000837

More saturated +25%#042AFF

Less saturated −25%#2340E0

Channel breakdown

G42

B255

Red4 (1.6%)

Green42 (16.5%)

Blue255 (100%)

Hue230.92°

Saturation (HSL)100%

Lightness50.78%

Dominant channelBlue

Hex per channelR 04 · G 2A · B FF

Keep nerding

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

#042AFF

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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