Colour

#0017F8

#0017F8
Blue
Dark
Nearest: Blue

#0017F8 is a blue with RGB values 0, 23, 248 and HSL 234°, 100%, 49%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#0017F8#0017F8

HEX#0017F8

RGBrgb(0, 23, 248)

RGB (0–1)0, 0.0902, 0.9725

RGB percentages0%, 9%, 97.3%

HSLhsl(234.4, 100%, 48.6%)

HSV / HSBhsv(234.4, 100%, 97.3%)

CMYK100%, 90.7%, 0%, 2.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,136

CSS custom property--colour: #0017F8;

Brightness & contrast

Relative luminance0.0739WCAG 2.x, 0 is black and 1 is white

Perceived brightness85.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.47:1

Contrast with white8.47:1WCAG normal text: AAA

Contrast with black2.48:1WCAG normal text: Fail

Greyscale equivalent#222222

Inverted#FFE807

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0059FEno red cones; affects about 1% of men; ΔE 36.5 from the original

Deuteranopia#003FF5no green cones; the most common form, about 1% of men; ΔE 21.6 from the original

Tritanopia#006B93no blue cones; rare, and affects men and women equally; ΔE 112.5 from the original

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

Contrast with white, large text8.47:1WCAG large text: AAA

Contrast with black, large text2.48:1WCAG large text: Fail

Named colours

Blue · ΔE 7.5 Medium blue · ΔE 15.3 Blue violet · ΔE 30.3 Dark violet · ΔE 33.8 Dark blue · ΔE 45.2 Dark orchid · ΔE 45.2

Nearest named CSS colourBlue (#0000FF)ΔE 7.5, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#F8E100

Analogous#0093F8, #6500F8

Triadic#F80017, #17F800

Split complementary#F86500, #93F800

Tetradic#F80093, #F8E100, #00F865

Tints, shades & saturation

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

Lighter +40%#C5CAFF

Lighter +30%#929CFF

Lighter +20%#5F6EFF

Lighter +10%#2C40FF

Darker −10%#0012C5

Darker −20%#000E92

Darker −30%#00095F

Darker −40%#00042C

More saturated +25%#0017F8

Less saturated −25%#1F30D9

Channel breakdown

G23

B248

Red0 (0%)

Green23 (9%)

Blue248 (97.3%)

Hue234.44°

Saturation (HSL)100%

Lightness48.63%

Dominant channelBlue

Hex per channelR 00 · G 17 · B F8

Keep nerding

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

#0017F8

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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