Recognised as Colour

#1F28FC

#1F28FC
Blue
Dark
Nearest: Blue

#1F28FC is a blue with RGB values 31, 40, 252 and HSL 238°, 97%, 55%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#1F28FC#1F28FC

HEX#1F28FC

RGBrgb(31, 40, 252)

RGB (0–1)0.1216, 0.1569, 0.9882

RGB percentages12.2%, 15.7%, 98.8%

HSLhsl(237.6, 97.4%, 55.5%)

HSV / HSBhsv(237.6, 87.7%, 98.8%)

CMYK87.7%, 84.1%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,042,108

CSS custom property--colour: #1F28FC;

Brightness & contrast

Relative luminance0.08837WCAG 2.x, 0 is black and 1 is white

Perceived brightness92 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.59:1

Contrast with white7.59:1WCAG normal text: AAA

Contrast with black2.77:1WCAG normal text: Fail

Greyscale equivalent#353535

Inverted#E0D703

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005FFFno red cones; affects about 1% of men; ΔE 35 from the original

Deuteranopia#0048F9no green cones; the most common form, about 1% of men; ΔE 20.5 from the original

Tritanopia#007097no blue cones; rare, and affects men and women equally; ΔE 108.8 from the original

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

Contrast with white, large text7.59:1WCAG large text: AAA

Contrast with black, large text2.77:1WCAG large text: Fail

Named colours

Blue · ΔE 12.9 Medium blue · ΔE 14.1 Blue violet · ΔE 26.6 Dark violet · ΔE 31.3 Dark orchid · ΔE 41.4 Dark blue · ΔE 42.4

Nearest named CSS colourBlue (#0000FF)ΔE 12.92, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FCF31F

Analogous#1F97FC, #841FFC

Triadic#FC1F28, #28FC1F

Split complementary#FC851F, #96FC1F

Tetradic#FC1F97, #FCF31F, #1FFC85

Tints, shades & saturation

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

Lighter +40%#E8E9FF

Lighter +30%#B6B9FE

Lighter +20%#8489FD

Lighter +10%#5158FD

Darker −10%#030CE5

Darker −20%#020AB3

Darker −30%#020780

Darker −40%#01044E

More saturated +25%#1C25FF

Less saturated −25%#3B42E0

Channel breakdown

R31

G40

B252

Red31 (12.2%)

Green40 (15.7%)

Blue252 (98.8%)

Hue237.56°

Saturation (HSL)97.36%

Lightness55.49%

Dominant channelBlue

Hex per channelR 1F · G 28 · B FC

Keep nerding

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

#1F28FC

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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