Colour

#191FFF

#191FFF
Blue
Dark
Nearest: Blue

#191FFF is a blue with RGB values 25, 31, 255 and HSL 238°, 100%, 55%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#191FFF#191FFF

HEX#191FFF

RGBrgb(25, 31, 255)

RGB (0–1)0.098, 0.1216, 1

RGB percentages9.8%, 12.2%, 100%

HSLhsl(238.4, 100%, 54.9%)

HSV / HSBhsv(238.4, 90.2%, 100%)

CMYK90.2%, 87.8%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,646,591

CSS custom property--colour: #191FFF;

Brightness & contrast

Relative luminance0.08407WCAG 2.x, 0 is black and 1 is white

Perceived brightness90.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.83:1

Contrast with white7.83:1WCAG normal text: AAA

Contrast with black2.68:1WCAG normal text: Fail

Greyscale equivalent#2E2E2E

Inverted#E6E000

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005EFFno red cones; affects about 1% of men; ΔE 39.2 from the original

Deuteranopia#0045FCno green cones; the most common form, about 1% of men; ΔE 22.1 from the original

Tritanopia#006F98no blue cones; rare, and affects men and women equally; ΔE 112.4 from the original

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

Contrast with white, large text7.83:1WCAG large text: AAA

Contrast with black, large text2.68:1WCAG large text: Fail

Named colours

Blue · ΔE 7.9 Medium blue · ΔE 16.7 Blue violet · ΔE 30 Dark violet · ΔE 33.8 Dark orchid · ΔE 45.1 Dark blue · ΔE 46.2

Nearest named CSS colourBlue (#0000FF)ΔE 7.89, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FFF919

Analogous#1992FF, #8619FF

Triadic#FF191F, #1FFF19

Split complementary#FF8619, #92FF19

Tetradic#FF1992, #FFF919, #19FF86

Tints, shades & saturation

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

Lighter +40%#E5E6FF

Lighter +30%#B2B4FF

Lighter +20%#7F82FF

Lighter +10%#4C51FF

Darker −10%#0006E5

Darker −20%#0005B2

Darker −30%#00037F

Darker −40%#00024C

More saturated +25%#191FFF

Less saturated −25%#363AE2

Channel breakdown

R25

G31

B255

Red25 (9.8%)

Green31 (12.2%)

Blue255 (100%)

Hue238.43°

Saturation (HSL)100%

Lightness54.9%

Dominant channelBlue

Hex per channelR 19 · G 1F · B FF

Keep nerding

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#191FFF

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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