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Recognised as Colour

#404CF0

  • #404CF0
  • Blue
  • Dark
  • Nearest: Medium slateblue

#404CF0 is a blue with RGB values 64, 76, 240 and HSL 236°, 85%, 60%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#404CF0#404CF0
HEX#404CF0
RGBrgb(64, 76, 240)
RGB (0–1)0.251, 0.298, 0.9412
RGB percentages25.1%, 29.8%, 94.1%
HSLhsl(235.9, 85.4%, 59.6%)
HSV / HSBhsv(235.9, 73.3%, 94.1%)
CMYK73.3%, 68.3%, 0%, 5.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,214,000
CSS custom property--colour: #404CF0;

Brightness & contrast

Relative luminance0.1255WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.98:1
Contrast with white5.98:1WCAG normal text: AA
Contrast with black3.51:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#BFB30F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006CF5no red cones; affects about 1% of men; ΔE 23.9 from the original
Deuteranopia#005BEDno green cones; the most common form, about 1% of men; ΔE 14.5 from the original
Tritanopia#007998no blue cones; rare, and affects men and women equally; ΔE 88.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.98:1WCAG large text: AAA
Contrast with black, large text3.51:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 21.9Blue violet · ΔE 22.3Medium blue · ΔE 26.2Dark orchid · ΔE 28.1Slate blue · ΔE 28.7Royal blue · ΔE 29.6
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 21.94, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F0E440
Analogous#40A4F0, #8C40F0
Triadic#F0404C, #4CF040
Split complementary#F08C40, #A4F040
Tetradic#F040A4, #F0E440, #40F08C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFDFF
Lighter +30%#CED1FB
Lighter +20%#9FA5F7
Lighter +10%#6F78F4
Darker −10%#1221EB
Darker −20%#0F1ABB
Darker −30%#0B148C
Darker −40%#070D5D
More saturated +25%#313FFF
Less saturated −25%#5A62D6

Channel breakdown

R64
G76
B240
Red64 (25.1%)
Green76 (29.8%)
Blue240 (94.1%)
Hue235.91°
Saturation (HSL)85.44%
Lightness59.61%
Dominant channelBlue
Hex per channelR 40 · G 4C · B F0

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Every value on this page was computed from “404cf0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.