Colour

#1F4AFF

#1F4AFF
Blue
Dark
Nearest: Medium blue

#1F4AFF is a blue with RGB values 31, 74, 255 and HSL 228°, 100%, 56%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#1F4AFF#1F4AFF

HEX#1F4AFF

RGBrgb(31, 74, 255)

RGB (0–1)0.1216, 0.2902, 1

RGB percentages12.2%, 29%, 100%

HSLhsl(228.5, 100%, 56.1%)

HSV / HSBhsv(228.5, 87.8%, 100%)

CMYK87.8%, 71%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,050,815

CSS custom property--colour: #1F4AFF;

Brightness & contrast

Relative luminance0.12409WCAG 2.x, 0 is black and 1 is white

Perceived brightness104.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.03:1

Contrast with white6.03:1WCAG normal text: AA

Contrast with black3.48:1WCAG normal text: Fail

Greyscale equivalent#4E4E4E

Inverted#E0B500

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#006EFFno red cones; affects about 1% of men; ΔE 27.8 from the original

Deuteranopia#0058FCno green cones; the most common form, about 1% of men; ΔE 12 from the original

Tritanopia#007EA0no blue cones; rare, and affects men and women equally; ΔE 96 from the original

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

Contrast with white, large text6.03:1WCAG large text: AAA

Contrast with black, large text3.48:1WCAG large text: AA

Named colours

Medium blue · ΔE 21.9 Blue violet · ΔE 23.9 Medium slateblue · ΔE 30.9 Dark violet · ΔE 31.7 Blue · ΔE 32 Dark orchid · ΔE 34.1

Nearest named CSS colourMedium blue (#0000CD)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#FFD41F

Analogous#1FBAFF, #641FFF

Triadic#FF1F4A, #4AFF1F

Split complementary#FF641F, #BAFF1F

Tetradic#FF1FBA, #FFD41F, #1FFF64

Tints, shades & saturation

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

Lighter +40%#EBEFFF

Lighter +30%#B8C6FF

Lighter +20%#859CFF

Lighter +10%#5273FF

Darker −10%#002DEB

Darker −20%#0023B8

Darker −30%#001A85

Darker −40%#001052

More saturated +25%#1F4AFF

Less saturated −25%#3B5BE3

Channel breakdown

R31

G74

B255

Red31 (12.2%)

Green74 (29%)

Blue255 (100%)

Hue228.48°

Saturation (HSL)100%

Lightness56.08%

Dominant channelBlue

Hex per channelR 1F · G 4A · B FF

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#1F4AFF

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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