Colour

#313D5C

#313D5C
Blue
Dark
Nearest: Dark slate grey

#313D5C is a blue with RGB values 49, 61, 92 and HSL 223°, 30%, 28%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#313D5C#313D5C

HEX#313D5C

RGBrgb(49, 61, 92)

RGB (0–1)0.1922, 0.2392, 0.3608

RGB percentages19.2%, 23.9%, 36.1%

HSLhsl(223.3, 30.5%, 27.6%)

HSV / HSBhsv(223.3, 46.7%, 36.1%)

CMYK46.7%, 33.7%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,226,972

CSS custom property--colour: #313D5C;

Brightness & contrast

Relative luminance0.04763WCAG 2.x, 0 is black and 1 is white

Perceived brightness62.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.75:1

Contrast with white10.75:1WCAG normal text: AAA

Contrast with black1.95:1WCAG normal text: Fail

Greyscale equivalent#3D3D3D

Inverted#CEC2A3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#32405Dno red cones; affects about 1% of men; ΔE 2 from the original

Deuteranopia#2E3C5Bno green cones; the most common form, about 1% of men; ΔE 0.8 from the original

Tritanopia#224348no blue cones; rare, and affects men and women equally; ΔE 20 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.75:1WCAG large text: AAA

Contrast with black, large text1.95:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 23.5 Dim grey · ΔE 27.5 Slate grey · ΔE 29.2 Steel blue · ΔE 30.3 Dark slateblue · ΔE 31.2 Light slate grey · ΔE 31.9

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 23.54, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5C5031

Analogous#31535C, #3A315C

Triadic#5C313D, #3D5C31

Split complementary#5C3B31, #535C31

Tetradic#5C3153, #5C5031, #315C3B

Tints, shades & saturation

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

Lighter +40%#93A1C6

Lighter +30%#7284B4

Lighter +20%#54699F

Lighter +10%#43537D

Darker −10%#1F273B

Darker −20%#0E1119

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1F356E

Less saturated −25%#43454A

Channel breakdown

R49

G61

B92

Red49 (19.2%)

Green61 (23.9%)

Blue92 (36.1%)

Hue223.26°

Saturation (HSL)30.5%

Lightness27.65%

Dominant channelBlue

Hex per channelR 31 · G 3D · B 5C

Keep nerding

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

#313D5C

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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