Colour

#1F38FF

#1F38FF
Blue
Dark
Nearest: Medium blue

#1F38FF is a blue with RGB values 31, 56, 255 and HSL 233°, 100%, 56%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#1F38FF#1F38FF

HEX#1F38FF

RGBrgb(31, 56, 255)

RGB (0–1)0.1216, 0.2196, 1

RGB percentages12.2%, 22%, 100%

HSLhsl(233.3, 100%, 56.1%)

HSV / HSBhsv(233.3, 87.8%, 100%)

CMYK87.8%, 78%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,046,207

CSS custom property--colour: #1F38FF;

Brightness & contrast

Relative luminance0.1034WCAG 2.x, 0 is black and 1 is white

Perceived brightness97.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.85:1

Contrast with white6.85:1WCAG normal text: AA

Contrast with black3.07:1WCAG normal text: Fail

Greyscale equivalent#414141

Inverted#E0C700

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0066FFno red cones; affects about 1% of men; ΔE 33.1 from the original

Deuteranopia#004FFCno green cones; the most common form, about 1% of men; ΔE 16.9 from the original

Tritanopia#00779Cno blue cones; rare, and affects men and women equally; ΔE 104.3 from the original

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

Contrast with white, large text6.85:1WCAG large text: AAA

Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Medium blue · ΔE 15.4 Blue · ΔE 20.2 Blue violet · ΔE 24.2 Dark violet · ΔE 30.4 Dark orchid · ΔE 37.9 Dark blue · ΔE 39.4

Nearest named CSS colourMedium blue (#0000CD)ΔE 15.41, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FFE61F

Analogous#1FA8FF, #761FFF

Triadic#FF1F38, #38FF1F

Split complementary#FF761F, #A8FF1F

Tetradic#FF1FA8, #FFE61F, #1FFF76

Tints, shades & saturation

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

Lighter +40%#EBEDFF

Lighter +30%#B8C0FF

Lighter +20%#8593FF

Lighter +10%#5265FF

Darker −10%#001AEB

Darker −20%#0015B8

Darker −30%#000F85

Darker −40%#000952

More saturated +25%#1F38FF

Less saturated −25%#3B4EE3

Channel breakdown

R31

G56

B255

Red31 (12.2%)

Green56 (22%)

Blue255 (100%)

Hue233.3°

Saturation (HSL)100%

Lightness56.08%

Dominant channelBlue

Hex per channelR 1F · G 38 · B FF

Keep nerding

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

#1F38FF

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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