Colour

#003DEF

#003DEF
Blue
Dark
Nearest: Medium blue

#003DEF is a blue with RGB values 0, 61, 239 and HSL 225°, 100%, 47%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#003DEF#003DEF

HEX#003DEF

RGBrgb(0, 61, 239)

RGB (0–1)0, 0.2392, 0.9373

RGB percentages0%, 23.9%, 93.7%

HSLhsl(224.7, 100%, 46.9%)

HSV / HSBhsv(224.7, 100%, 93.7%)

CMYK100%, 74.5%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,855

CSS custom property--colour: #003DEF;

Brightness & contrast

Relative luminance0.09569WCAG 2.x, 0 is black and 1 is white

Perceived brightness93.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.21:1

Contrast with white7.21:1WCAG normal text: AAA

Contrast with black2.91:1WCAG normal text: Fail

Greyscale equivalent#3D3D3D

Inverted#FFC210

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0062F4no red cones; affects about 1% of men; ΔE 25.6 from the original

Deuteranopia#004CECno green cones; the most common form, about 1% of men; ΔE 12.2 from the original

Tritanopia#007394no blue cones; rare, and affects men and women equally; ΔE 95.6 from the original

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

Contrast with white, large text7.21:1WCAG large text: AAA

Contrast with black, large text2.91:1WCAG large text: Fail

Named colours

Medium blue · ΔE 17.6 Blue violet · ΔE 23 Dark violet · ΔE 30.2 Blue · ΔE 30.4 Dark blue · ΔE 31.7 Medium slateblue · ΔE 32.5

Nearest named CSS colourMedium blue (#0000CD)ΔE 17.62, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#EFB200

Analogous#00B4EF, #3B00EF

Triadic#EF003D, #3DEF00

Split complementary#EF3B00, #B4EF00

Tetradic#EF00B4, #EFB200, #00EF3B

Tints, shades & saturation

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

Lighter +40%#BCCDFF

Lighter +30%#89A7FF

Lighter +20%#5681FF

Lighter +10%#235BFF

Darker −10%#0030BC

Darker −20%#002389

Darker −30%#001656

Darker −40%#000923

More saturated +25%#003DEF

Less saturated −25%#1E4CD1

Channel breakdown

G61

B239

Red0 (0%)

Green61 (23.9%)

Blue239 (93.7%)

Hue224.69°

Saturation (HSL)100%

Lightness46.86%

Dominant channelBlue

Hex per channelR 00 · G 3D · B EF

Keep nerding

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

#003DEF

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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