Recognised as Colour

#011737

#011737
Blue
Dark
Nearest: Black

#011737 is a blue with RGB values 1, 23, 55 and HSL 216°, 96%, 11%. It is a dark colour, so white text on it reaches 17.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#011737#011737

HEX#011737

RGBrgb(1, 23, 55)

RGB (0–1)0.0039, 0.0902, 0.2157

RGB percentages0.4%, 9%, 21.6%

HSLhsl(215.6, 96.4%, 11%)

HSV / HSBhsv(215.6, 98.2%, 21.6%)

CMYK98.2%, 58.2%, 0%, 78.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer71,479

CSS custom property--colour: #011737;

Brightness & contrast

Relative luminance0.00895WCAG 2.x, 0 is black and 1 is white

Perceived brightness25.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.81:1

Contrast with white17.81:1WCAG normal text: AAA

Contrast with black1.18:1WCAG normal text: Fail

Greyscale equivalent#151515

Inverted#FEE8C8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#041A38no red cones; affects about 1% of men; ΔE 2.3 from the original

Deuteranopia#001536no green cones; the most common form, about 1% of men; ΔE 1.3 from the original

Tritanopia#001F24no blue cones; rare, and affects men and women equally; ΔE 22.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.81:1WCAG large text: AAA

Contrast with black, large text1.18:1WCAG large text: Fail

Named colours

Black · ΔE 25.5 Dark slate grey · ΔE 35.2 Dark slateblue · ΔE 35.6 Midnight blue · ΔE 37.4 Dim grey · ΔE 43.7 Steel blue · ΔE 46.4

Nearest named CSS colourBlack (#000000)ΔE 25.53, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#372101

Analogous#013237, #060137

Triadic#370117, #173701

Split complementary#370601, #323701

Tetradic#370132, #372101, #013706

Tints, shades & saturation

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

Lighter +40%#096CFB

Lighter +30%#0456CD

Lighter +20%#03419B

Lighter +10%#022C69

Darker −10%#000205

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001738

Less saturated −25%#081830

Channel breakdown

G23

B55

Red1 (0.4%)

Green23 (9%)

Blue55 (21.6%)

Hue215.56°

Saturation (HSL)96.43%

Lightness10.98%

Dominant channelBlue

Hex per channelR 01 · G 17 · B 37

Keep nerding

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

#011737

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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