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Recognised as Colour

#1919FF

  • #1919FF
  • Blue
  • Dark
  • Nearest: Blue

#1919FF is a blue with RGB values 25, 25, 255 and HSL 240°, 100%, 55%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#1919FF#1919FF
HEX#1919FF
RGBrgb(25, 25, 255)
RGB (0–1)0.098, 0.098, 1
RGB percentages9.8%, 9.8%, 100%
HSLhsl(240, 100%, 54.9%)
HSV / HSBhsv(240, 90.2%, 100%)
CMYK90.2%, 90.2%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,645,055
CSS custom property--colour: #1919FF;

Brightness & contrast

Relative luminance0.08122WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8:1
Contrast with white8:1WCAG normal text: AAA
Contrast with black2.62:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#E6E600

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005CFFno red cones; affects about 1% of men; ΔE 39.7 from the original
Deuteranopia#0043FCno green cones; the most common form, about 1% of men; ΔE 22.8 from the original
Tritanopia#006E97no blue cones; rare, and affects men and women equally; ΔE 114.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8:1WCAG large text: AAA
Contrast with black, large text2.62:1WCAG large text: Fail

Named colours

Blue · ΔE 5.8Medium blue · ΔE 17.8Blue violet · ΔE 31.3Dark violet · ΔE 34.7Dark orchid · ΔE 46.5Dark blue · ΔE 47.6
Nearest named CSS colourBlue (#0000FF)ΔE 5.81, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFFF19
Analogous#198CFF, #8C19FF
Triadic#FF1919, #19FF19
Split complementary#FF8C19, #8CFF19
Tetradic#FF198C, #FFFF19, #19FF8C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5E5FF
Lighter +30%#B2B2FF
Lighter +20%#7F7FFF
Lighter +10%#4C4CFF
Darker −10%#0000E5
Darker −20%#0000B2
Darker −30%#00007F
Darker −40%#00004C
More saturated +25%#1919FF
Less saturated −25%#3636E2

Channel breakdown

R25
G25
B255
Red25 (9.8%)
Green25 (9.8%)
Blue255 (100%)
Hue240°
Saturation (HSL)100%
Lightness54.9%
Dominant channelBlue
Hex per channelR 19 · G 19 · B FF

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Every value on this page was computed from “1919ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.