Colour

#0A00EF

#0A00EF
Blue
Dark
Nearest: Blue

#0A00EF is a blue with RGB values 10, 0, 239 and HSL 243°, 100%, 47%. 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

#0A00EF#0A00EF

HEX#0A00EF

RGBrgb(10, 0, 239)

RGB (0–1)0.0392, 0, 0.9373

RGB percentages3.9%, 0%, 93.7%

HSLhsl(242.5, 100%, 46.9%)

HSV / HSBhsv(242.5, 100%, 93.7%)

CMYK95.8%, 100%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer655,599

CSS custom property--colour: #0A00EF;

Brightness & contrast

Relative luminance0.06297WCAG 2.x, 0 is black and 1 is white

Perceived brightness80.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.29:1

Contrast with white9.29:1WCAG normal text: AAA

Contrast with black2.26:1WCAG normal text: Fail

Greyscale equivalent#131313

Inverted#F5FF10

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0053F4no red cones; affects about 1% of men; ΔE 38.7 from the original

Deuteranopia#003AECno green cones; the most common form, about 1% of men; ΔE 24.3 from the original

Tritanopia#00648Cno blue cones; rare, and affects men and women equally; ΔE 112.6 from the original

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

Contrast with white, large text9.29:1WCAG large text: AAA

Contrast with black, large text2.26:1WCAG large text: Fail

Named colours

Blue · ΔE 6.9 Medium blue · ΔE 14.6 Blue violet · ΔE 30.7 Dark violet · ΔE 33.4 Dark blue · ΔE 44.7 Dark orchid · ΔE 45.5

Nearest named CSS colourBlue (#0000FF)ΔE 6.94, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#E5EF00

Analogous#006EEF, #8100EF

Triadic#EF0A00, #00EF0A

Split complementary#EF8100, #6EEF00

Tetradic#EF006E, #E5EF00, #00EF81

Tints, shades & saturation

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

Lighter +40%#BFBCFF

Lighter +30%#8E89FF

Lighter +20%#5D56FF

Lighter +10%#2C23FF

Darker −10%#0800BC

Darker −20%#060089

Darker −30%#040056

Darker −40%#010023

More saturated +25%#0A00EF

Less saturated −25%#251ED1

Channel breakdown

R10

B239

Red10 (3.9%)

Green0 (0%)

Blue239 (93.7%)

Hue242.51°

Saturation (HSL)100%

Lightness46.86%

Dominant channelBlue

Hex per channelR 0A · G 00 · B EF

Keep nerding

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

#0A00EF

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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