Colour

#011F45

#011F45
Blue
Dark
Nearest: Black

#011F45 is a blue with RGB values 1, 31, 69 and HSL 214°, 97%, 14%. It is a dark colour, so white text on it reaches 16.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#011F45#011F45

HEX#011F45

RGBrgb(1, 31, 69)

RGB (0–1)0.0039, 0.1216, 0.2706

RGB percentages0.4%, 12.2%, 27.1%

HSLhsl(213.5, 97.1%, 13.7%)

HSV / HSBhsv(213.5, 98.6%, 27.1%)

CMYK98.6%, 55.1%, 0%, 72.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer73,541

CSS custom property--colour: #011F45;

Brightness & contrast

Relative luminance0.01416WCAG 2.x, 0 is black and 1 is white

Perceived brightness33.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.37:1

Contrast with white16.37:1WCAG normal text: AAA

Contrast with black1.28:1WCAG normal text: Fail

Greyscale equivalent#1B1B1B

Inverted#FEE0BA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#082346no red cones; affects about 1% of men; ΔE 3.2 from the original

Deuteranopia#001D44no green cones; the most common form, about 1% of men; ΔE 1.4 from the original

Tritanopia#00282Eno blue cones; rare, and affects men and women equally; ΔE 25.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.37:1WCAG large text: AAA

Contrast with black, large text1.28:1WCAG large text: Fail

Named colours

Black · ΔE 30.2 Dark slateblue · ΔE 31 Midnight blue · ΔE 34.1 Dark slate grey · ΔE 35.2 Steel blue · ΔE 42.1 Dim grey · ΔE 42.6

Nearest named CSS colourBlack (#000000)ΔE 30.24, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#452701

Analogous#014145, #050145

Triadic#45011F, #1F4501

Split complementary#450501, #414501

Tetradic#450141, #452701, #014505

Tints, shades & saturation

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

Lighter +40%#167CFC

Lighter +30%#0363DC

Lighter +20%#024CAA

Lighter +10%#023677

Darker −10%#000813

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001F46

Less saturated −25%#0A203C

Channel breakdown

G31

B69

Red1 (0.4%)

Green31 (12.2%)

Blue69 (27.1%)

Hue213.53°

Saturation (HSL)97.14%

Lightness13.73%

Dominant channelBlue

Hex per channelR 01 · G 1F · B 45

Keep nerding

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#011F45

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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