Colour

#313C53

#313C53
Blue
Dark
Nearest: Dark slate grey

#313C53 is a blue with RGB values 49, 60, 83 and HSL 221°, 26%, 26%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#313C53#313C53

HEX#313C53

RGBrgb(49, 60, 83)

RGB (0–1)0.1922, 0.2353, 0.3255

RGB percentages19.2%, 23.5%, 32.5%

HSLhsl(220.6, 25.8%, 25.9%)

HSV / HSBhsv(220.6, 41%, 32.5%)

CMYK41%, 27.7%, 0%, 67.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,226,707

CSS custom property--colour: #313C53;

Brightness & contrast

Relative luminance0.04509WCAG 2.x, 0 is black and 1 is white

Perceived brightness60.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.04:1

Contrast with white11.04:1WCAG normal text: AAA

Contrast with black1.9:1WCAG normal text: Fail

Greyscale equivalent#3B3B3B

Inverted#CEC3AC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#343E54no red cones; affects about 1% of men; ΔE 1.2 from the original

Deuteranopia#313B52no green cones; the most common form, about 1% of men; ΔE 0.5 from the original

Tritanopia#264144no blue cones; rare, and affects men and women equally; ΔE 15.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.04:1WCAG large text: AAA

Contrast with black, large text1.9:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 19.1 Dim grey · ΔE 24.6 Slate grey · ΔE 28.3 Black · ΔE 29.7 Light slate grey · ΔE 31.2 Gray · ΔE 32.3

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.06, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#534831

Analogous#314D53, #373153

Triadic#53313C, #3C5331

Split complementary#533731, #4D5331

Tetradic#53314D, #534831, #315337

Tints, shades & saturation

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

Lighter +40%#92A0BE

Lighter +30%#7284AB

Lighter +20%#576A93

Lighter +10%#445373

Darker −10%#1E2533

Darker −20%#0B0E13

Darker −30%#000000

Darker −40%#000000

More saturated +25%#213664

Less saturated −25%#424243

Channel breakdown

R49

G60

B83

Red49 (19.2%)

Green60 (23.5%)

Blue83 (32.5%)

Hue220.59°

Saturation (HSL)25.76%

Lightness25.88%

Dominant channelBlue

Hex per channelR 31 · G 3C · B 53

Keep nerding

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

#313C53

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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