Colour

#1F00EA

#1F00EA
Blue
Dark
Nearest: Blue

#1F00EA is a blue with RGB values 31, 0, 234 and HSL 248°, 100%, 46%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#1F00EA#1F00EA

HEX#1F00EA

RGBrgb(31, 0, 234)

RGB (0–1)0.1216, 0, 0.9176

RGB percentages12.2%, 0%, 91.8%

HSLhsl(247.9, 100%, 45.9%)

HSV / HSBhsv(247.9, 100%, 91.8%)

CMYK86.8%, 100%, 0%, 8.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,031,850

CSS custom property--colour: #1F00EA;

Brightness & contrast

Relative luminance0.06232WCAG 2.x, 0 is black and 1 is white

Perceived brightness80.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.35:1

Contrast with white9.35:1WCAG normal text: AAA

Contrast with black2.25:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#E0FF15

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0051EFno red cones; affects about 1% of men; ΔE 37.6 from the original

Deuteranopia#003AE7no green cones; the most common form, about 1% of men; ΔE 24.4 from the original

Tritanopia#006189no blue cones; rare, and affects men and women equally; ΔE 109.6 from the original

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

Contrast with white, large text9.35:1WCAG large text: AAA

Contrast with black, large text2.25:1WCAG large text: Fail

Named colours

Blue · ΔE 9.6 Medium blue · ΔE 12.1 Blue violet · ΔE 28.3 Dark violet · ΔE 31 Dark blue · ΔE 42.2 Dark orchid · ΔE 42.9

Nearest named CSS colourBlue (#0000FF)ΔE 9.61, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CBEA00

Analogous#0056EA, #9400EA

Triadic#EA1F00, #00EA1F

Split complementary#EA9400, #56EA00

Tetradic#EA0056, #CBEA00, #00EA94

Tints, shades & saturation

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

Lighter +40%#C1B7FF

Lighter +30%#9484FF

Lighter +20%#6851FF

Lighter +10%#3C1EFF

Darker −10%#1800B7

Darker −20%#110084

Darker −30%#0B0051

Darker −40%#04001E

More saturated +25%#1F00EA

Less saturated −25%#351DCD

Channel breakdown

R31

B234

Red31 (12.2%)

Green0 (0%)

Blue234 (91.8%)

Hue247.95°

Saturation (HSL)100%

Lightness45.88%

Dominant channelBlue

Hex per channelR 1F · G 00 · B EA

Keep nerding

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

#1F00EA

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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