Colour

#3D258B

#3D258B
Blue
Dark
Nearest: Rebecca purple

#3D258B is a blue with RGB values 61, 37, 139 and HSL 254°, 58%, 35%. It is a dark colour, so white text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#3D258B#3D258B

HEX#3D258B

RGBrgb(61, 37, 139)

RGB (0–1)0.2392, 0.1451, 0.5451

RGB percentages23.9%, 14.5%, 54.5%

HSLhsl(254.1, 58%, 34.5%)

HSV / HSBhsv(254.1, 73.4%, 54.5%)

CMYK56.1%, 73.4%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,007,307

CSS custom property--colour: #3D258B;

Brightness & contrast

Relative luminance0.04179WCAG 2.x, 0 is black and 1 is white

Perceived brightness64.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.44:1

Contrast with white11.44:1WCAG normal text: AAA

Contrast with black1.84:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#C2DA74

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003C8Eno red cones; affects about 1% of men; ΔE 20.9 from the original

Deuteranopia#003789no green cones; the most common form, about 1% of men; ΔE 19.3 from the original

Tritanopia#1B4055no blue cones; rare, and affects men and women equally; ΔE 57.2 from the original

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

Contrast with white, large text11.44:1WCAG large text: AAA

Contrast with black, large text1.84:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 11.2 Midnight blue · ΔE 11.3 Indigo · ΔE 13.7 Dark slateblue · ΔE 17.7 Navy · ΔE 18.7 Slate blue · ΔE 21.8

Nearest named CSS colourRebecca purple (#663399)ΔE 11.23, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#738B25

Analogous#25408B, #70258B

Triadic#8B3D25, #258B3D

Split complementary#8B7025, #408B25

Tetradic#8B2540, #738B25, #258B70

Tints, shades & saturation

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

Lighter +40%#AA98E4

Lighter +30%#8970D9

Lighter +20%#6748CE

Lighter +10%#4F30B3

Darker −10%#2B1A63

Darker −20%#1A103A

Darker −30%#080512

Darker −40%#000000

More saturated +25%#310FA1

Less saturated −25%#493B75

Channel breakdown

R61

G37

B139

Red61 (23.9%)

Green37 (14.5%)

Blue139 (54.5%)

Hue254.12°

Saturation (HSL)57.95%

Lightness34.51%

Dominant channelBlue

Hex per channelR 3D · G 25 · B 8B

Keep nerding

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#3D258B

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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