Colour

#003F56

#003F56
Cyan
Dark
Nearest: Dark slate grey

#003F56 is a cyan with RGB values 0, 63, 86 and HSL 196°, 100%, 17%. It is a dark colour, so white text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#003F56#003F56

HEX#003F56

RGBrgb(0, 63, 86)

RGB (0–1)0, 0.2471, 0.3373

RGB percentages0%, 24.7%, 33.7%

HSLhsl(196, 100%, 16.9%)

HSV / HSBhsv(196, 100%, 33.7%)

CMYK100%, 26.7%, 0%, 66.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,214

CSS custom property--colour: #003F56;

Brightness & contrast

Relative luminance0.04227WCAG 2.x, 0 is black and 1 is white

Perceived brightness56.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.38:1

Contrast with white11.38:1WCAG normal text: AAA

Contrast with black1.85:1WCAG normal text: Fail

Greyscale equivalent#333333

Inverted#FFC0A9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#333E57no red cones; affects about 1% of men; ΔE 11.6 from the original

Deuteranopia#283756no green cones; the most common form, about 1% of men; ΔE 12.5 from the original

Tritanopia#004547no blue cones; rare, and affects men and women equally; ΔE 15.5 from the original

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

Contrast with white, large text11.38:1WCAG large text: AAA

Contrast with black, large text1.85:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.9 Dim grey · ΔE 28.8 Slate grey · ΔE 30.3 Steel blue · ΔE 31.4 Black · ΔE 32 Teal · ΔE 33

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.9, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#561700

Analogous#005642, #001456

Triadic#56003F, #3F5600

Split complementary#560014, #564200

Tetradic#420056, #561700, #145600

Tints, shades & saturation

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

Lighter +40%#23C4FF

Lighter +30%#00AFEF

Lighter +20%#008ABC

Lighter +10%#006489

Darker −10%#001A23

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#003F56

Less saturated −25%#0B3A4B

Channel breakdown

G63

B86

Red0 (0%)

Green63 (24.7%)

Blue86 (33.7%)

Hue196.05°

Saturation (HSL)100%

Lightness16.86%

Dominant channelBlue

Hex per channelR 00 · G 3F · B 56

Keep nerding

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

#003F56

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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