Recognised as Colour

#1F2342

#1F2342
Blue
Dark
Nearest: Black

#1F2342 is a blue with RGB values 31, 35, 66 and HSL 233°, 36%, 19%. It is a dark colour, so white text on it reaches 15.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1F2342#1F2342

HEX#1F2342

RGBrgb(31, 35, 66)

RGB (0–1)0.1216, 0.1373, 0.2588

RGB percentages12.2%, 13.7%, 25.9%

HSLhsl(233.1, 36.1%, 19%)

HSV / HSBhsv(233.1, 53%, 25.9%)

CMYK53%, 47%, 0%, 74.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,040,642

CSS custom property--colour: #1F2342;

Brightness & contrast

Relative luminance0.01887WCAG 2.x, 0 is black and 1 is white

Perceived brightness38.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.25:1

Contrast with white15.25:1WCAG normal text: AAA

Contrast with black1.38:1WCAG normal text: Fail

Greyscale equivalent#242424

Inverted#E0DCBD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#172743no red cones; affects about 1% of men; ΔE 4.8 from the original

Deuteranopia#142441no green cones; the most common form, about 1% of men; ΔE 4.1 from the original

Tritanopia#12292Fno blue cones; rare, and affects men and women equally; ΔE 20.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.25:1WCAG large text: AAA

Contrast with black, large text1.38:1WCAG large text: Fail

Named colours

Black · ΔE 26.5 Dark slate grey · ΔE 30.7 Dark slateblue · ΔE 32.3 Dim grey · ΔE 36.8 Midnight blue · ΔE 37.5 Slate grey · ΔE 40.5

Nearest named CSS colourBlack (#000000)ΔE 26.46, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#423E1F

Analogous#1F3542, #2D1F42

Triadic#421F23, #23421F

Split complementary#422D1F, #35421F

Tetradic#421F35, #423E1F, #1F422D

Tints, shades & saturation

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

Lighter +40%#7179BC

Lighter +30%#505AAA

Lighter +20%#404887

Lighter +10%#2F3565

Darker −10%#0F111F

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#131A4E

Less saturated −25%#2B2C36

Channel breakdown

R31

G35

B66

Red31 (12.2%)

Green35 (13.7%)

Blue66 (25.9%)

Hue233.14°

Saturation (HSL)36.08%

Lightness19.02%

Dominant channelBlue

Hex per channelR 1F · G 23 · B 42

Keep nerding

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

#1F2342

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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