Colour

#313B52

#313B52
Blue
Dark
Nearest: Dark slate grey

#313B52 is a blue with RGB values 49, 59, 82 and HSL 222°, 25%, 26%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#313B52#313B52

HEX#313B52

RGBrgb(49, 59, 82)

RGB (0–1)0.1922, 0.2314, 0.3216

RGB percentages19.2%, 23.1%, 32.2%

HSLhsl(221.8, 25.2%, 25.7%)

HSV / HSBhsv(221.8, 40.2%, 32.2%)

CMYK40.2%, 28%, 0%, 67.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,226,450

CSS custom property--colour: #313B52;

Brightness & contrast

Relative luminance0.0439WCAG 2.x, 0 is black and 1 is white

Perceived brightness59.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.18:1

Contrast with white11.18:1WCAG normal text: AAA

Contrast with black1.88:1WCAG normal text: Fail

Greyscale equivalent#3B3B3B

Inverted#CEC4AD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#333D53no red cones; affects about 1% of men; ΔE 1.1 from the original

Deuteranopia#303A51no green cones; the most common form, about 1% of men; ΔE 0.4 from the original

Tritanopia#274043no blue cones; rare, and affects men and women equally; ΔE 15.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.18:1WCAG large text: AAA

Contrast with black, large text1.88:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 19.4 Dim grey · ΔE 24.9 Slate grey · ΔE 28.7 Black · ΔE 29.3 Light slate grey · ΔE 31.6 Gray · ΔE 32.6

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.38, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#524831

Analogous#314B52, #383152

Triadic#52313B, #3B5231

Split complementary#523831, #4B5231

Tetradic#52314B, #524831, #315238

Tints, shades & saturation

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

Lighter +40%#919FBE

Lighter +30%#7283AA

Lighter +20%#576992

Lighter +10%#445272

Darker −10%#1E2432

Darker −20%#0B0D12

Darker −30%#000000

Darker −40%#000000

More saturated +25%#213562

Less saturated −25%#414142

Channel breakdown

R49

G59

B82

Red49 (19.2%)

Green59 (23.1%)

Blue82 (32.2%)

Hue221.82°

Saturation (HSL)25.19%

Lightness25.69%

Dominant channelBlue

Hex per channelR 31 · G 3B · B 52

Keep nerding

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

#313B52

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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