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Recognised as Colour

#400FF3

  • #400FF3
  • Blue
  • Dark
  • Nearest: Blue

#400FF3 is a blue with RGB values 64, 15, 243 and HSL 253°, 90%, 51%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#400FF3#400FF3
HEX#400FF3
RGBrgb(64, 15, 243)
RGB (0–1)0.251, 0.0588, 0.9529
RGB percentages25.1%, 5.9%, 95.3%
HSLhsl(252.9, 90.5%, 50.6%)
HSV / HSBhsv(252.9, 93.8%, 95.3%)
CMYK73.7%, 93.8%, 0%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,198,387
CSS custom property--colour: #400FF3;

Brightness & contrast

Relative luminance0.07903WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.14:1
Contrast with white8.14:1WCAG normal text: AAA
Contrast with black2.58:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#BFF00C

Colour vision & accessibility

Protanopia#0058F8no red cones; affects about 1% of men; ΔE 37.7 from the original
Deuteranopia#0045F0no green cones; the most common form, about 1% of men; ΔE 27.3 from the original
Tritanopia#00668Fno blue cones; rare, and affects men and women equally; ΔE 109.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.14:1WCAG large text: AAA
Contrast with black, large text2.58:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlue (#0000FF)ΔE 10.3, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#C2F30F
Analogous#0F50F3, #B20FF3
Triadic#F3400F, #0FF340
Split complementary#F3B20F, #50F30F
Tetradic#F30F50, #C2F30F, #0FF3B2

Tints, shades & saturation

Lighter +40%#DBD1FD
Lighter +30%#B4A1FA
Lighter +20%#8D70F8
Lighter +10%#6740F5
Darker −10%#320AC5
Darker −20%#260795
Darker −30%#190564
Darker −40%#0D0333
More saturated +25%#3903FF
Less saturated −25%#522FD3

Channel breakdown

R64
G15
B243
Red64 (25.1%)
Green15 (5.9%)
Blue243 (95.3%)
Hue252.89°
Saturation (HSL)90.48%
Lightness50.59%
Dominant channelBlue
Hex per channelR 40 · G 0F · B F3

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Every value on this page was computed from “400ff3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.