Colour

#3D5788

#3D5788
Blue
Dark
Nearest: Steel blue

#3D5788 is a blue with RGB values 61, 87, 136 and HSL 219°, 38%, 39%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#3D5788#3D5788

HEX#3D5788

RGBrgb(61, 87, 136)

RGB (0–1)0.2392, 0.3412, 0.5333

RGB percentages23.9%, 34.1%, 53.3%

HSLhsl(219.2, 38.1%, 38.6%)

HSV / HSBhsv(219.2, 55.1%, 53.3%)

CMYK55.1%, 36%, 0%, 46.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,020,104

CSS custom property--colour: #3D5788;

Brightness & contrast

Relative luminance0.09586WCAG 2.x, 0 is black and 1 is white

Perceived brightness87.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.2:1

Contrast with white7.2:1WCAG normal text: AAA

Contrast with black2.92:1WCAG normal text: Fail

Greyscale equivalent#555555

Inverted#C2A877

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#445B8Ano red cones; affects about 1% of men; ΔE 2.3 from the original

Deuteranopia#3B5487no green cones; the most common form, about 1% of men; ΔE 1.9 from the original

Tritanopia#156269no blue cones; rare, and affects men and women equally; ΔE 31.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text7.2:1WCAG large text: AAA

Contrast with black, large text2.92:1WCAG large text: Fail

Named colours

Steel blue · ΔE 18.2 Dark slateblue · ΔE 24.5 Slate grey · ΔE 26.4 Light slate grey · ΔE 28 Cornflower blue · ΔE 31.5 Dim grey · ΔE 31.7

Nearest named CSS colourSteel blue (#4682B4)ΔE 18.18, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#886E3D

Analogous#3D7C88, #493D88

Triadic#883D57, #57883D

Split complementary#88493D, #7D883D

Tetradic#883D7C, #886E3D, #3D8849

Tints, shades & saturation

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

Lighter +40%#B4C2DD

Lighter +30%#91A6CD

Lighter +20%#6D89BE

Lighter +10%#4D6EAB

Darker −10%#2D4065

Darker −20%#1D2A42

Darker −30%#0E131E

Darker −40%#000000

More saturated +25%#244FA1

Less saturated −25%#565F6F

Channel breakdown

R61

G87

B136

Red61 (23.9%)

Green87 (34.1%)

Blue136 (53.3%)

Hue219.2°

Saturation (HSL)38.07%

Lightness38.63%

Dominant channelBlue

Hex per channelR 3D · G 57 · B 88

Keep nerding

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

#3D5788

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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