Recognised as Colour

#280BE5

#280BE5
Blue
Dark
Nearest: Medium blue

#280BE5 is a blue with RGB values 40, 11, 229 and HSL 248°, 91%, 47%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#280BE5#280BE5

HEX#280BE5

RGBrgb(40, 11, 229)

RGB (0–1)0.1569, 0.0431, 0.898

RGB percentages15.7%, 4.3%, 89.8%

HSLhsl(248, 90.8%, 47.1%)

HSV / HSBhsv(248, 95.2%, 89.8%)

CMYK82.5%, 95.2%, 0%, 10.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,624,485

CSS custom property--colour: #280BE5;

Brightness & contrast

Relative luminance0.06348WCAG 2.x, 0 is black and 1 is white

Perceived brightness80.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.25:1

Contrast with white9.25:1WCAG normal text: AAA

Contrast with black2.27:1WCAG normal text: Fail

Greyscale equivalent#212121

Inverted#D7F41A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0051EAno red cones; affects about 1% of men; ΔE 35.9 from the original

Deuteranopia#003CE2no green cones; the most common form, about 1% of men; ΔE 24 from the original

Tritanopia#006087no blue cones; rare, and affects men and women equally; ΔE 105.7 from the original

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

Contrast with white, large text9.25:1WCAG large text: AAA

Contrast with black, large text2.27:1WCAG large text: Fail

Named colours

Medium blue · ΔE 8.5 Blue · ΔE 13.8 Blue violet · ΔE 24.8 Dark violet · ΔE 28.1 Dark blue · ΔE 38.2 Dark orchid · ΔE 39.2

Nearest named CSS colourMedium blue (#0000CD)ΔE 8.5, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#C8E50B

Analogous#0B5BE5, #950BE5

Triadic#E5280B, #0BE528

Split complementary#E5950B, #5BE50B

Tetradic#E50B5B, #C8E50B, #0BE595

Tints, shades & saturation

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

Lighter +40%#C8C0FC

Lighter +30%#9E8FFA

Lighter +20%#735FF7

Lighter +10%#492EF5

Darker −10%#2009B4

Darker −20%#170684

Darker −30%#0F0453

Darker −40%#060222

More saturated +25%#2000F0

Less saturated −25%#3E29C7

Channel breakdown

R40

G11

B229

Red40 (15.7%)

Green11 (4.3%)

Blue229 (89.8%)

Hue247.98°

Saturation (HSL)90.83%

Lightness47.06%

Dominant channelBlue

Hex per channelR 28 · G 0B · B E5

Keep nerding

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

#280BE5

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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