Colour

#131B28

#131B28
Blue
Dark
Nearest: Black

#131B28 is a blue with RGB values 19, 27, 40 and HSL 217°, 36%, 12%. It is a dark colour, so white text on it reaches 17.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#131B28#131B28

HEX#131B28

RGBrgb(19, 27, 40)

RGB (0–1)0.0745, 0.1059, 0.1569

RGB percentages7.5%, 10.6%, 15.7%

HSLhsl(217.1, 35.6%, 11.6%)

HSV / HSBhsv(217.1, 52.5%, 15.7%)

CMYK52.5%, 32.5%, 0%, 84.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,252,136

CSS custom property--colour: #131B28;

Brightness & contrast

Relative luminance0.01076WCAG 2.x, 0 is black and 1 is white

Perceived brightness26.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.28:1

Contrast with white17.28:1WCAG normal text: AAA

Contrast with black1.22:1WCAG normal text: Fail

Greyscale equivalent#1A1A1A

Inverted#ECE4D7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#161C29no red cones; affects about 1% of men; ΔE 1 from the original

Deuteranopia#141A28no green cones; the most common form, about 1% of men; ΔE 1.2 from the original

Tritanopia#0C1E1Fno blue cones; rare, and affects men and women equally; ΔE 10.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.28:1WCAG large text: AAA

Contrast with black, large text1.22:1WCAG large text: Fail

Named colours

Black · ΔE 13.9 Dark slate grey · ΔE 25.8 Dim grey · ΔE 36.2 Slate grey · ΔE 43.3 Gray · ΔE 45.1 Dark slateblue · ΔE 46

Nearest named CSS colourBlack (#000000)ΔE 13.88, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#282013

Analogous#132628, #151328

Triadic#28131B, #1B2813

Split complementary#281513, #262813

Tetradic#281326, #282013, #132815

Tints, shades & saturation

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

Lighter +40%#5879AF

Lighter +30%#446190

Lighter +20%#344A6D

Lighter +10%#23324B

Darker −10%#030405

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0C192F

Less saturated −25%#1A1D21

Channel breakdown

R19

G27

B40

Red19 (7.5%)

Green27 (10.6%)

Blue40 (15.7%)

Hue217.14°

Saturation (HSL)35.59%

Lightness11.57%

Dominant channelBlue

Hex per channelR 13 · G 1B · B 28

Keep nerding

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

#131B28

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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