#181707

Closest named color: Almost Black (#070D0D). oklch(20.1% 0.029 105.6), rgb(24, 23, 7).

Aa

White text reads best on this color (18.03:1).

About this color

#181707 is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.057 away. White text reads best on it, at 18.03:1.

Hue familyNeutrals
Lightnessvery dark (20%)
Chromaclose to neutral grey (0.029)
Temperatureneutral
Nearest nameAlmost Black (#070D0D)
Black text1.16:1
White text18.03:1

Values

HEX#181707
RGBrgb(24, 23, 7)
HSLhsl(56, 55%, 6%)
OKLCHoklch(20.1% 0.029 105.6)

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 #181707 18.03:1 AAA Lc -106.9 Preferred for body text
Black text on #181707 1.16:1 Fails Lc 0.0 Not readable
#181707 text on white 18.03:1 AAA Lc 104.7 Preferred for body text
#181707 text on black 1.16:1 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

    #F6F6F2

    oklch(97.2% 0.005 106.5)

  2. Step 100

    100

    #EAEAE3

    oklch(93.5% 0.009 106.6)

  3. Step 200

    200

    #DADACC

    oklch(88.5% 0.019 106.8)

  4. Step 300

    300

    #C3C2A9

    oklch(80.8% 0.034 105.3)

  5. Step 400

    400

    #A5A37C

    oklch(70.7% 0.054 105.2)

  6. Step 500

    500

    #8F8C5A

    oklch(63% 0.069 105.3)

  7. Step 600

    600

    #79763F

    oklch(55.6% 0.076 105.9)

  8. Step 700

    700

    #666331

    oklch(49.1% 0.07 105.6)

  9. Step 800

    800

    #535129

    oklch(42.7% 0.059 106.1)

  10. Step 900

    900

    #454326

    oklch(37.7% 0.045 104.9)

  11. Step 950

    950 (this color)

    #181707

    oklch(20.1% 0.029 105.6)

Export this scale for Tailwind in the Tailwind colors tool

#181707 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)#1916060.004
Deuteranopia (no green cones)#1A17080.005
Tritanopia (no blue cones)#1A15130.026
Achromatopsia (no color)#1616160.029

Harmonies

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

Complementary

The opposite hue (180°).

  • #181707

    #181707

    oklch(20.1% 0.029 105.6)

  • #151423

    #151423

    oklch(20% 0.03 286.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #181707

    #181707

    oklch(20.1% 0.029 105.6)

  • #1E1407

    #1E1407

    oklch(20% 0.028 72.9)

  • #10190C

    #10190C

    oklch(20% 0.028 136.4)

Open the analogous palette in the generator

Split complementary

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

  • #181707

    #181707

    oklch(20.1% 0.029 105.6)

  • #0D1723

    #0D1723

    oklch(20.1% 0.028 253.6)

  • #1B121F

    #1B121F

    oklch(20% 0.029 315.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #181707

    #181707

    oklch(20.1% 0.029 105.6)

  • #061920

    #061920

    oklch(20.1% 0.029 224.5)

  • #201119

    #201119

    oklch(20.2% 0.029 346.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #181707

    #181707

    oklch(20.1% 0.029 105.6)

  • #041A1A

    #041A1A

    oklch(20% 0.029 195.1)

  • #151423

    #151423

    oklch(20% 0.03 286.4)

  • #221112

    #221112

    oklch(20.2% 0.029 16.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #181707, closest first.

Similar named colors

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

Use #181707 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.