#191F18

Closest named color: Jet (#212529). oklch(23.1% 0.016 141.1), rgb(25, 31, 24).

Aa

White text reads best on this color (16.79:1).

About this color

#191F18 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.038 away. White text reads best on it, at 16.79:1.

Hue familyNeutrals
Lightnessvery dark (23%)
Chromaclose to neutral grey (0.016)
Temperatureneutral
Nearest nameJet (#212529)
Black text1.25:1
White text16.79:1

Values

HEX#191F18
RGBrgb(25, 31, 24)
HSLhsl(111, 13%, 11%)
OKLCHoklch(23.1% 0.016 141.1)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #191F18 16.79:1 AAA Lc -106.1 Preferred for body text
Black text on #191F18 1.25:1 Fails Lc 0.0 Not readable
#191F18 text on white 16.79:1 AAA Lc 103.7 Preferred for body text
#191F18 text on black 1.25:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.

  1. Step 50

    50

    #F4F6F4

    oklch(97.1% 0.003 145.5)

  2. Step 100

    100

    #E8EBE7

    oklch(93.7% 0.006 137.8)

  3. Step 200

    200

    #D5DBD4

    oklch(88.5% 0.011 141.3)

  4. Step 300

    300

    #BAC4B9

    oklch(80.9% 0.019 142.8)

  5. Step 400

    400

    #97A694

    oklch(70.8% 0.031 140.5)

  6. Step 500

    500

    #7D907A

    oklch(63.2% 0.039 141.3)

  7. Step 600

    600

    #667A63

    oklch(55.7% 0.042 141.5)

  8. Step 700

    700

    #556752

    oklch(49.2% 0.039 141.1)

  9. Step 800

    800

    #455443

    oklch(42.8% 0.033 141.8)

  10. Step 900

    900

    #3A4539

    oklch(37.7% 0.025 142.8)

  11. Step 950

    950 (this color)

    #191F18

    oklch(23.1% 0.016 141.1)

Export this scale for Tailwind in the Tailwind colors tool

#191F18 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#1F1E180.011
Deuteranopia (no green cones)#1E1D180.011
Tritanopia (no blue cones)#191F1D0.010
Achromatopsia (no color)#1D1D1D0.016

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #191F18

    #191F18

    oklch(23.1% 0.016 141.1)

  • #211B22

    #211B22

    oklch(23.2% 0.016 321.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #191F18

    #191F18

    oklch(23.1% 0.016 141.1)

  • #1D1E15

    #1D1E15

    oklch(23.1% 0.017 112.9)

  • #16201C

    #16201C

    oklch(23.2% 0.016 168.4)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #191F18

    #191F18

    oklch(23.1% 0.016 141.1)

  • #1D1C24

    #1D1C24

    oklch(23.1% 0.015 290.9)

  • #231A1E

    #231A1E

    oklch(23% 0.016 349.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #191F18

    #191F18

    oklch(23.1% 0.016 141.1)

  • #191D25

    #191D25

    oklch(23% 0.017 264.2)

  • #241A1A

    #241A1A

    oklch(23% 0.016 18.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #191F18

    #191F18

    oklch(23.1% 0.016 141.1)

  • #151F23

    #151F23

    oklch(23.1% 0.016 224.4)

  • #211B22

    #211B22

    oklch(23.2% 0.016 321.5)

  • #231B16

    #231B16

    oklch(23% 0.016 53.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #191F18, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #191F18 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.