#1F1920

Closest named color: Rich Black (#0D1B2A). oklch(22.4% 0.016 321.5), rgb(31, 25, 32).

Aa

White text reads best on this color (17.23:1).

About this color

#1F1920 is a very dark close to neutral grey. In OKLCH its lightness is 22%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.034 away. White text reads best on it, at 17.23:1.

Hue familyNeutrals
Lightnessvery dark (22%)
Chromaclose to neutral grey (0.016)
Temperatureneutral
Nearest nameRich Black (#0D1B2A)
Black text1.21:1
White text17.23:1

Values

HEX#1F1920
RGBrgb(31, 25, 32)
HSLhsl(291, 12%, 11%)
OKLCHoklch(22.4% 0.016 321.5)

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 #1F1920 17.23:1 AAA Lc -106.4 Preferred for body text
Black text on #1F1920 1.21:1 Fails Lc 0.0 Not readable
#1F1920 text on white 17.23:1 AAA Lc 104.1 Preferred for body text
#1F1920 text on black 1.21:1 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

    #F6F5F6

    oklch(97.1% 0.002 325.6)

  2. Step 100

    100

    #ECE9EC

    oklch(93.7% 0.005 325.6)

  3. Step 200

    200

    #DCD7DD

    oklch(88.5% 0.01 320.5)

  4. Step 300

    300

    #C7BDC8

    oklch(81% 0.019 323)

  5. Step 400

    400

    #AA9BAC

    oklch(70.8% 0.03 322.2)

  6. Step 500

    500

    #958298

    oklch(63.1% 0.039 321.7)

  7. Step 600

    600

    #7F6B83

    oklch(55.5% 0.044 320.6)

  8. Step 700

    700

    #6B5A6E

    oklch(49.1% 0.038 321.2)

  9. Step 800

    800

    #58495A

    oklch(42.7% 0.034 322.3)

  10. Step 900

    900

    #483D4A

    oklch(37.6% 0.026 321.1)

  11. Step 950

    950 (this color)

    #1F1920

    oklch(22.4% 0.016 321.5)

Export this scale for Tailwind in the Tailwind colors tool

#1F1920 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)#181B200.015
Deuteranopia (no green cones)#1A1B200.011
Tritanopia (no blue cones)#1F1A1B0.012
Achromatopsia (no color)#1B1B1B0.016

Harmonies

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

Complementary

The opposite hue (180°).

  • #1F1920

    #1F1920

    oklch(22.4% 0.016 321.5)

  • #171D16

    #171D16

    oklch(22.2% 0.016 141.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1F1920

    #1F1920

    oklch(22.4% 0.016 321.5)

  • #1B1A22

    #1B1A22

    oklch(22.3% 0.016 290.8)

  • #22181C

    #22181C

    oklch(22.3% 0.018 352.7)

Open the analogous palette in the generator

Split complementary

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

  • #1F1920

    #1F1920

    oklch(22.4% 0.016 321.5)

  • #1C1C14

    #1C1C14

    oklch(22.4% 0.015 107.5)

  • #141E1A

    #141E1A

    oklch(22.4% 0.016 168.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1F1920

    #1F1920

    oklch(22.4% 0.016 321.5)

  • #1F1B13

    #1F1B13

    oklch(22.4% 0.016 84.5)

  • #121E1F

    #121E1F

    oklch(22.4% 0.017 202.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1F1920

    #1F1920

    oklch(22.4% 0.016 321.5)

  • #221915

    #221915

    oklch(22.3% 0.016 45.2)

  • #171D16

    #171D16

    oklch(22.2% 0.016 141.1)

  • #141D22

    #141D22

    oklch(22.4% 0.016 232.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F1920, closest first.

Similar named colors

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

Use #1F1920 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.