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Colour

#1F41FF

  • #1F41FF
  • Blue
  • Dark
  • Nearest: Medium blue

#1F41FF is a blue with RGB values 31, 65, 255 and HSL 231°, 100%, 56%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#1F41FF#1F41FF
HEX#1F41FF
RGBrgb(31, 65, 255)
RGB (0–1)0.1216, 0.2549, 1
RGB percentages12.2%, 25.5%, 100%
HSLhsl(230.9, 100%, 56.1%)
HSV / HSBhsv(230.9, 87.8%, 100%)
CMYK87.8%, 74.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,048,511
CSS custom property--colour: #1F41FF;

Brightness & contrast

Relative luminance0.11292WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.44:1
Contrast with white6.44:1WCAG normal text: AA
Contrast with black3.26:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#E0BE00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0069FFno red cones; affects about 1% of men; ΔE 29.9 from the original
Deuteranopia#0053FCno green cones; the most common form, about 1% of men; ΔE 14.2 from the original
Tritanopia#007A9Eno blue cones; rare, and affects men and women equally; ΔE 100 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.44:1WCAG large text: AAA
Contrast with black, large text3.26:1WCAG large text: AA

Named colours

Medium blue · ΔE 17.9Blue violet · ΔE 23.4Blue · ΔE 25.9Dark violet · ΔE 30.5Dark orchid · ΔE 35.7Medium slateblue · ΔE 36.2
Nearest named CSS colourMedium blue (#0000CD)ΔE 17.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFDD1F
Analogous#1FB1FF, #6D1FFF
Triadic#FF1F41, #41FF1F
Split complementary#FF6D1F, #B1FF1F
Tetradic#FF1FB1, #FFDD1F, #1FFF6D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBEEFF
Lighter +30%#B8C3FF
Lighter +20%#8598FF
Lighter +10%#526CFF
Darker −10%#0024EB
Darker −20%#001CB8
Darker −30%#001485
Darker −40%#000C52
More saturated +25%#1F41FF
Less saturated −25%#3B55E3

Channel breakdown

R31
G65
B255
Red31 (12.2%)
Green65 (25.5%)
Blue255 (100%)
Hue230.89°
Saturation (HSL)100%
Lightness56.08%
Dominant channelBlue
Hex per channelR 1F · G 41 · B FF

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Every value on this page was computed from “1f41ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.