Recognised as Colour

#313A63

#313A63
Blue
Dark
Nearest: Dark slateblue

#313A63 is a blue with RGB values 49, 58, 99 and HSL 229°, 34%, 29%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#313A63#313A63

HEX#313A63

RGBrgb(49, 58, 99)

RGB (0–1)0.1922, 0.2275, 0.3882

RGB percentages19.2%, 22.7%, 38.8%

HSLhsl(229.2, 33.8%, 29%)

HSV / HSBhsv(229.2, 50.5%, 38.8%)

CMYK50.5%, 41.4%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,226,211

CSS custom property--colour: #313A63;

Brightness & contrast

Relative luminance0.0458WCAG 2.x, 0 is black and 1 is white

Perceived brightness61.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.96:1

Contrast with white10.96:1WCAG normal text: AAA

Contrast with black1.92:1WCAG normal text: Fail

Greyscale equivalent#3B3B3B

Inverted#CEC59C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2A3F65no red cones; affects about 1% of men; ΔE 4.7 from the original

Deuteranopia#263A62no green cones; the most common form, about 1% of men; ΔE 3.4 from the original

Tritanopia#1E4349no blue cones; rare, and affects men and women equally; ΔE 26.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.96:1WCAG large text: AAA

Contrast with black, large text1.92:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 24.5 Dark slate grey · ΔE 30.5 Steel blue · ΔE 30.7 Dim grey · ΔE 32.9 Slate grey · ΔE 33 Midnight blue · ΔE 34.6

Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.52, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#635A31

Analogous#315363, #413163

Triadic#63313A, #3A6331

Split complementary#634131, #536331

Tetradic#633153, #635A31, #316341

Tints, shades & saturation

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

Lighter +40%#959FCB

Lighter +30%#7380BA

Lighter +20%#5362A7

Lighter +10%#424E85

Darker −10%#202641

Darker −20%#0F121F

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1F2E76

Less saturated −25%#444651

Channel breakdown

R49

G58

B99

Red49 (19.2%)

Green58 (22.7%)

Blue99 (38.8%)

Hue229.2°

Saturation (HSL)33.78%

Lightness29.02%

Dominant channelBlue

Hex per channelR 31 · G 3A · B 63

Keep nerding

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

#313A63

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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