Colour

#20304E

#20304E
Blue
Dark
Nearest: Dark slate grey

#20304E is a blue with RGB values 32, 48, 78 and HSL 219°, 42%, 22%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#20304E#20304E

HEX#20304E

RGBrgb(32, 48, 78)

RGB (0–1)0.1255, 0.1882, 0.3059

RGB percentages12.5%, 18.8%, 30.6%

HSLhsl(219.1, 41.8%, 21.6%)

HSV / HSBhsv(219.1, 59%, 30.6%)

CMYK59%, 38.5%, 0%, 69.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,109,518

CSS custom property--colour: #20304E;

Brightness & contrast

Relative luminance0.02971WCAG 2.x, 0 is black and 1 is white

Perceived brightness48.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.17:1

Contrast with white13.17:1WCAG normal text: AAA

Contrast with black1.59:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#DFCFB1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#24324Fno red cones; affects about 1% of men; ΔE 1.3 from the original

Deuteranopia#1F2E4Dno green cones; the most common form, about 1% of men; ΔE 1.2 from the original

Tritanopia#07373Bno blue cones; rare, and affects men and women equally; ΔE 21.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.17:1WCAG large text: AAA

Contrast with black, large text1.59:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 25.4 Black · ΔE 28.8 Dim grey · ΔE 32.1 Dark slateblue · ΔE 33 Slate grey · ΔE 34.9 Steel blue · ΔE 35.4

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 25.39, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4E3E20

Analogous#20474E, #27204E

Triadic#4E2030, #304E20

Split complementary#4E2720, #474E20

Tetradic#4E2047, #4E3E20, #204E27

Tints, shades & saturation

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

Lighter +40%#7491C6

Lighter +30%#5074B7

Lighter +20%#3E5D96

Lighter +10%#2F4672

Darker −10%#111A2A

Darker −20%#020306

Darker −30%#000000

Darker −40%#000000

More saturated +25%#122C5C

Less saturated −25%#2E3440

Channel breakdown

R32

G48

B78

Red32 (12.5%)

Green48 (18.8%)

Blue78 (30.6%)

Hue219.13°

Saturation (HSL)41.82%

Lightness21.57%

Dominant channelBlue

Hex per channelR 20 · G 30 · B 4E

Keep nerding

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#20304E

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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