Colour

#1F13FB

#1F13FB
Blue
Dark
Nearest: Blue

#1F13FB is a blue with RGB values 31, 19, 251 and HSL 243°, 97%, 53%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#1F13FB#1F13FB

HEX#1F13FB

RGBrgb(31, 19, 251)

RGB (0–1)0.1216, 0.0745, 0.9843

RGB percentages12.2%, 7.5%, 98.4%

HSLhsl(243.1, 96.7%, 52.9%)

HSV / HSBhsv(243.1, 92.4%, 98.4%)

CMYK87.6%, 92.4%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,036,731

CSS custom property--colour: #1F13FB;

Brightness & contrast

Relative luminance0.07722WCAG 2.x, 0 is black and 1 is white

Perceived brightness87.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.25:1

Contrast with white8.25:1WCAG normal text: AAA

Contrast with black2.54:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#E0EC04

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005AFFno red cones; affects about 1% of men; ΔE 38.5 from the original

Deuteranopia#0042F8no green cones; the most common form, about 1% of men; ΔE 24.1 from the original

Tritanopia#006B94no blue cones; rare, and affects men and women equally; ΔE 113.7 from the original

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

Contrast with white, large text8.25:1WCAG large text: AAA

Contrast with black, large text2.54:1WCAG large text: Fail

Named colours

Blue · ΔE 5.7 Medium blue · ΔE 17 Blue violet · ΔE 30.8 Dark violet · ΔE 34 Dark orchid · ΔE 45.9 Dark blue · ΔE 46.9

Nearest named CSS colourBlue (#0000FF)ΔE 5.74, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#EFFB13

Analogous#137BFB, #9313FB

Triadic#FB1F13, #13FB1F

Split complementary#FB9313, #7BFB13

Tetradic#FB137B, #EFFB13, #13FB93

Tints, shades & saturation

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

Lighter +40%#DDDCFE

Lighter +30%#AEA9FE

Lighter +20%#7E77FD

Lighter +10%#4F45FC

Darker −10%#0F04D7

Darker −20%#0B03A5

Darker −30%#080273

Darker −40%#040141

More saturated +25%#1B0FFF

Less saturated −25%#3A31DD

Channel breakdown

R31

G19

B251

Red31 (12.2%)

Green19 (7.5%)

Blue251 (98.4%)

Hue243.1°

Saturation (HSL)96.67%

Lightness52.94%

Dominant channelBlue

Hex per channelR 1F · G 13 · B FB

Keep nerding

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

#1F13FB

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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