Colour

#2A51FB

#2A51FB
Blue
Dark
Nearest: Medium slateblue

#2A51FB is a blue with RGB values 42, 81, 251 and HSL 229°, 96%, 57%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#2A51FB#2A51FB

HEX#2A51FB

RGBrgb(42, 81, 251)

RGB (0–1)0.1647, 0.3176, 0.9843

RGB percentages16.5%, 31.8%, 98.4%

HSLhsl(228.8, 96.3%, 57.5%)

HSV / HSBhsv(228.8, 83.3%, 98.4%)

CMYK83.3%, 67.7%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,773,499

CSS custom property--colour: #2A51FB;

Brightness & contrast

Relative luminance0.13342WCAG 2.x, 0 is black and 1 is white

Perceived brightness107.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.72:1

Contrast with white5.72:1WCAG normal text: AA

Contrast with black3.67:1WCAG normal text: Fail

Greyscale equivalent#555555

Inverted#D5AE04

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0070FFno red cones; affects about 1% of men; ΔE 22.8 from the original

Deuteranopia#005CF8no green cones; the most common form, about 1% of men; ΔE 10.4 from the original

Tritanopia#0080A0no blue cones; rare, and affects men and women equally; ΔE 90.7 from the original

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

Contrast with white, large text5.72:1WCAG large text: AAA

Contrast with black, large text3.67:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 24.8 Blue violet · ΔE 25 Medium blue · ΔE 26.7 Royal blue · ΔE 31.5 Slate blue · ΔE 32.1 Dark orchid · ΔE 32.1

Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 24.76, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FBD42A

Analogous#2AB9FB, #6C2AFB

Triadic#FB2A51, #51FB2A

Split complementary#FB6C2A, #B9FB2A

Tetradic#FB2AB9, #FBD42A, #2AFB6C

Tints, shades & saturation

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

Lighter +40%#F2F5FF

Lighter +30%#C0CCFE

Lighter +20%#8EA3FD

Lighter +10%#5C7AFC

Darker −10%#0430EE

Darker −20%#0426BB

Darker −30%#031C89

Darker −40%#021257

More saturated +25%#264EFF

Less saturated −25%#4562E0

Channel breakdown

R42

G81

B251

Red42 (16.5%)

Green81 (31.8%)

Blue251 (98.4%)

Hue228.8°

Saturation (HSL)96.31%

Lightness57.45%

Dominant channelBlue

Hex per channelR 2A · G 51 · B FB

Keep nerding

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

#2A51FB

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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