Colour

#0000FA

#0000FA
Blue
Dark
Nearest: Blue

#0000FA is a blue with RGB values 0, 0, 250 and HSL 240°, 100%, 49%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#0000FA#0000FA

HEX#0000FA

RGBrgb(0, 0, 250)

RGB (0–1)0, 0, 0.9804

RGB percentages0%, 0%, 98%

HSLhsl(240, 100%, 49%)

HSV / HSBhsv(240, 100%, 98%)

CMYK100%, 100%, 0%, 2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer250

CSS custom property--colour: #0000FA;

Brightness & contrast

Relative luminance0.06902WCAG 2.x, 0 is black and 1 is white

Perceived brightness84.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.82:1

Contrast with white8.82:1WCAG normal text: AAA

Contrast with black2.38:1WCAG normal text: Fail

Greyscale equivalent#121212

Inverted#FFFF05

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0057FFno red cones; affects about 1% of men; ΔE 40.2 from the original

Deuteranopia#003CF7no green cones; the most common form, about 1% of men; ΔE 24.5 from the original

Tritanopia#006993no blue cones; rare, and affects men and women equally; ΔE 116.5 from the original

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

Contrast with white, large text8.82:1WCAG large text: AAA

Contrast with black, large text2.38:1WCAG large text: Fail

Named colours

Blue · ΔE 2.1 Medium blue · ΔE 19.5 Blue violet · ΔE 34.2 Dark violet · ΔE 36.8 Dark orchid · ΔE 49.3 Dark blue · ΔE 49.6

Nearest named CSS colourBlue (#0000FF)ΔE 2.12, below the just-noticeable difference

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FAFA00

Analogous#007DFA, #7D00FA

Triadic#FA0000, #00FA00

Split complementary#FA7D00, #7DFA00

Tetradic#FA007D, #FAFA00, #00FA7D

Tints, shades & saturation

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

Lighter +40%#C7C7FF

Lighter +30%#9494FF

Lighter +20%#6161FF

Lighter +10%#2E2EFF

Darker −10%#0000C7

Darker −20%#000094

Darker −30%#000061

Darker −40%#00002E

More saturated +25%#0000FA

Less saturated −25%#1F1FDB

Channel breakdown

B250

Red0 (0%)

Green0 (0%)

Blue250 (98%)

Hue240°

Saturation (HSL)100%

Lightness49.02%

Dominant channelBlue

Hex per channelR 00 · G 00 · B FA

Keep nerding

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#0000FA

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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