Colour

#00204D

#00204D
Blue
Dark
Nearest: Dark slateblue

#00204D is a blue with RGB values 0, 32, 77 and HSL 215°, 100%, 15%. It is a dark colour, so white text on it reaches 16:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#00204D#00204D

HEX#00204D

RGBrgb(0, 32, 77)

RGB (0–1)0, 0.1255, 0.302

RGB percentages0%, 12.5%, 30.2%

HSLhsl(215.1, 100%, 15.1%)

HSV / HSBhsv(215.1, 100%, 30.2%)

CMYK100%, 58.4%, 0%, 69.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,269

CSS custom property--colour: #00204D;

Brightness & contrast

Relative luminance0.01569WCAG 2.x, 0 is black and 1 is white

Perceived brightness35.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.98:1

Contrast with white15.98:1WCAG normal text: AAA

Contrast with black1.31:1WCAG normal text: Fail

Greyscale equivalent#1C1C1C

Inverted#FFDFB2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00254Fno red cones; affects about 1% of men; ΔE 3.8 from the original

Deuteranopia#001E4Cno green cones; the most common form, about 1% of men; ΔE 1.4 from the original

Tritanopia#002B33no blue cones; rare, and affects men and women equally; ΔE 29.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.98:1WCAG large text: AAA

Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 26.8 Midnight blue · ΔE 29.2 Black · ΔE 34.9 Dark slate grey · ΔE 39 Steel blue · ΔE 41.7 Rebecca purple · ΔE 42.1

Nearest named CSS colourDark slateblue (#483D8B)ΔE 26.77, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4D2D00

Analogous#00464D, #06004D

Triadic#4D0020, #204D00

Split complementary#4D0700, #464D00

Tetradic#4D0047, #4D2D00, #004D07

Tints, shades & saturation

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

Lighter +40%#1A79FF

Lighter +30%#0060E6

Lighter +20%#004AB3

Lighter +10%#003580

Darker −10%#000B1A

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00204D

Less saturated −25%#0A2243

Channel breakdown

G32

B77

Red0 (0%)

Green32 (12.5%)

Blue77 (30.2%)

Hue215.06°

Saturation (HSL)100%

Lightness15.1%

Dominant channelBlue

Hex per channelR 00 · G 20 · B 4D

Keep nerding

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#00204D

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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