Recognised as Colour

#31308D

#31308D
Blue
Dark
Nearest: Midnight blue

#31308D is a blue with RGB values 49, 48, 141 and HSL 241°, 49%, 37%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#31308D#31308D

HEX#31308D

RGBrgb(49, 48, 141)

RGB (0–1)0.1922, 0.1882, 0.5529

RGB percentages19.2%, 18.8%, 55.3%

HSLhsl(240.6, 49.2%, 37.1%)

HSV / HSBhsv(240.6, 66%, 55.3%)

CMYK65.2%, 66%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,223,693

CSS custom property--colour: #31308D;

Brightness & contrast

Relative luminance0.0469WCAG 2.x, 0 is black and 1 is white

Perceived brightness65.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.84:1

Contrast with white10.84:1WCAG normal text: AAA

Contrast with black1.94:1WCAG normal text: Fail

Greyscale equivalent#373737

Inverted#CECF72

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004190no red cones; affects about 1% of men; ΔE 15.8 from the original

Deuteranopia#00398Bno green cones; the most common form, about 1% of men; ΔE 11.8 from the original

Tritanopia#00485Ano blue cones; rare, and affects men and women equally; ΔE 55.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.84:1WCAG large text: AAA

Contrast with black, large text1.94:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10.2 Dark slateblue · ΔE 11.6 Rebecca purple · ΔE 14.9 Slate blue · ΔE 21.2 Indigo · ΔE 21.9 Navy · ΔE 25

Nearest named CSS colourMidnight blue (#191970)ΔE 10.23, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8C8D30

Analogous#305E8D, #60308D

Triadic#8D3130, #308D31

Split complementary#8D5F30, #5E8D30

Tetradic#8D305E, #8C8D30, #308D5F

Tints, shades & saturation

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

Lighter +40%#A8A8E1

Lighter +30%#8382D4

Lighter +20%#5D5CC7

Lighter +10%#3E3DB3

Darker −10%#242367

Darker −20%#171641

Darker −30%#09091B

Darker −40%#000000

More saturated +25%#1A18A5

Less saturated −25%#484875

Channel breakdown

R49

G48

B141

Red49 (19.2%)

Green48 (18.8%)

Blue141 (55.3%)

Hue240.65°

Saturation (HSL)49.21%

Lightness37.06%

Dominant channelBlue

Hex per channelR 31 · G 30 · B 8D

Keep nerding

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

#31308D

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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