Recognised as Colour

#011937

#011937
Blue
Dark
Nearest: Black

#011937 is a blue with RGB values 1, 25, 55 and HSL 213°, 96%, 11%. It is a dark colour, so white text on it reaches 17.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#011937#011937

HEX#011937

RGBrgb(1, 25, 55)

RGB (0–1)0.0039, 0.098, 0.2157

RGB percentages0.4%, 9.8%, 21.6%

HSLhsl(213.3, 96.4%, 11%)

HSV / HSBhsv(213.3, 98.2%, 21.6%)

CMYK98.2%, 54.5%, 0%, 78.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer71,991

CSS custom property--colour: #011937;

Brightness & contrast

Relative luminance0.00978WCAG 2.x, 0 is black and 1 is white

Perceived brightness26.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.57:1

Contrast with white17.57:1WCAG normal text: AAA

Contrast with black1.2:1WCAG normal text: Fail

Greyscale equivalent#161616

Inverted#FEE6C8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#081C38no red cones; affects about 1% of men; ΔE 2.4 from the original

Deuteranopia#001736no green cones; the most common form, about 1% of men; ΔE 1.4 from the original

Tritanopia#002025no blue cones; rare, and affects men and women equally; ΔE 21 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.57:1WCAG large text: AAA

Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Black · ΔE 24.4 Dark slate grey · ΔE 33.3 Dark slateblue · ΔE 36.7 Midnight blue · ΔE 39.2 Dim grey · ΔE 42.2 Steel blue · ΔE 45.6

Nearest named CSS colourBlack (#000000)ΔE 24.37, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#371F01

Analogous#013437, #040137

Triadic#370119, #193701

Split complementary#370401, #343701

Tetradic#370134, #371F01, #013704

Tints, shades & saturation

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

Lighter +40%#0975FB

Lighter +30%#045DCD

Lighter +20%#03479B

Lighter +10%#023069

Darker −10%#000205

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001938

Less saturated −25%#081A30

Channel breakdown

G25

B55

Red1 (0.4%)

Green25 (9.8%)

Blue55 (21.6%)

Hue213.33°

Saturation (HSL)96.43%

Lightness10.98%

Dominant channelBlue

Hex per channelR 01 · G 19 · B 37

Keep nerding

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

#011937

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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