Colour

#1500FD

#1500FD
Blue
Dark
Nearest: Blue

#1500FD is a blue with RGB values 21, 0, 253 and HSL 245°, 100%, 50%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#1500FD#1500FD

HEX#1500FD

RGBrgb(21, 0, 253)

RGB (0–1)0.0824, 0, 0.9922

RGB percentages8.2%, 0%, 99.2%

HSLhsl(245, 100%, 49.6%)

HSV / HSBhsv(245, 100%, 99.2%)

CMYK91.7%, 100%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,376,509

CSS custom property--colour: #1500FD;

Brightness & contrast

Relative luminance0.07251WCAG 2.x, 0 is black and 1 is white

Perceived brightness86.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.57:1

Contrast with white8.57:1WCAG normal text: AAA

Contrast with black2.45:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#EAFF02

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0058FFno red cones; affects about 1% of men; ΔE 41.5 from the original

Deuteranopia#003EF9no green cones; the most common form, about 1% of men; ΔE 25.6 from the original

Tritanopia#006A95no blue cones; rare, and affects men and women equally; ΔE 116.8 from the original

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

Contrast with white, large text8.57:1WCAG large text: AAA

Contrast with black, large text2.45:1WCAG large text: Fail

Named colours

Blue · ΔE 1.3 Medium blue · ΔE 20.5 Blue violet · ΔE 34.5 Dark violet · ΔE 37 Dark orchid · ΔE 49.7 Dark blue · ΔE 50.6

Nearest named CSS colourBlue (#0000FF)ΔE 1.3, below the just-noticeable difference

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#E8FD00

Analogous#0069FD, #9400FD

Triadic#FD1500, #00FD15

Split complementary#FD9300, #6AFD00

Tetradic#FD0069, #E8FD00, #00FD94

Tints, shades & saturation

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

Lighter +40%#CECAFF

Lighter +30%#A097FF

Lighter +20%#7164FF

Lighter +10%#4231FF

Darker −10%#1100CA

Darker −20%#0D0097

Darker −30%#080064

Darker −40%#040031

More saturated +25%#1500FD

Less saturated −25%#2F20DD

Channel breakdown

R21

B253

Red21 (8.2%)

Green0 (0%)

Blue253 (99.2%)

Hue244.98°

Saturation (HSL)100%

Lightness49.61%

Dominant channelBlue

Hex per channelR 15 · G 00 · B FD

Keep nerding

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

#1500FD

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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