Colour

#19181F

#19181F
Blue
Dark
Nearest: Black

#19181F is a blue with RGB values 25, 24, 31 and HSL 249°, 13%, 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

#19181F#19181F

HEX#19181F

RGBrgb(25, 24, 31)

RGB (0–1)0.098, 0.0941, 0.1216

RGB percentages9.8%, 9.4%, 12.2%

HSLhsl(248.6, 12.7%, 10.8%)

HSV / HSBhsv(248.6, 22.6%, 12.2%)

CMYK19.4%, 22.6%, 0%, 87.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,644,575

CSS custom property--colour: #19181F;

Brightness & contrast

Relative luminance0.00959WCAG 2.x, 0 is black and 1 is white

Perceived brightness25.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.62:1

Contrast with white17.62:1WCAG normal text: AAA

Contrast with black1.19:1WCAG normal text: Fail

Greyscale equivalent#191919

Inverted#E6E7E0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#16191Fno red cones; affects about 1% of men; ΔE 2.1 from the original

Deuteranopia#17191Fno green cones; the most common form, about 1% of men; ΔE 1.7 from the original

Tritanopia#18191Ano blue cones; rare, and affects men and women equally; ΔE 4.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.62:1WCAG large text: AAA

Contrast with black, large text1.19:1WCAG large text: Fail

Named colours

Black · ΔE 10.1 Dark slate grey · ΔE 26.7 Dim grey · ΔE 36.2 Slate grey · ΔE 44.8 Gray · ΔE 45.2 Light slate grey · ΔE 47.9

Nearest named CSS colourBlack (#000000)ΔE 10.13, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1E1F18

Analogous#181B1F, #1C181F

Triadic#1F1918, #181F19

Split complementary#1F1C18, #1B1F18

Tetradic#1F181B, #1E1F18, #181F1C

Tints, shades & saturation

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

Lighter +40%#767291

Lighter +30%#5F5B75

Lighter +20%#474558

Lighter +10%#302E3C

Darker −10%#020202

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#141126

Less saturated −25%#1C1C1C

Channel breakdown

R25

G24

B31

Red25 (9.8%)

Green24 (9.4%)

Blue31 (12.2%)

Hue248.57°

Saturation (HSL)12.73%

Lightness10.78%

Dominant channelBlue

Hex per channelR 19 · G 18 · B 1F

Keep nerding

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

#19181F

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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