#150F18

Closest named color: Almost Black (#070D0D). oklch(18% 0.02 314.3), rgb(21, 15, 24).

Aa

White text reads best on this color (18.86:1).

About this color

#150F18 is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.039 away. White text reads best on it, at 18.86:1.

Hue familyNeutrals
Lightnessvery dark (18%)
Chromaclose to neutral grey (0.020)
Temperatureneutral
Nearest nameAlmost Black (#070D0D)
Black text1.11:1
White text18.86:1

Values

HEX#150F18
RGBrgb(21, 15, 24)
HSLhsl(280, 23%, 8%)
OKLCHoklch(18% 0.02 314.3)

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 #150F18 18.86:1 AAA Lc -107.4 Preferred for body text
Black text on #150F18 1.11:1 Fails Lc 0.0 Not readable
#150F18 text on white 18.86:1 AAA Lc 105.3 Preferred for body text
#150F18 text on black 1.11:1 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

    #F6F5F7

    oklch(97.1% 0.003 308.4)

  2. Step 100

    100

    #EBE8ED

    oklch(93.5% 0.007 312.3)

  3. Step 200

    200

    #DCD7DF

    oklch(88.5% 0.012 313.2)

  4. Step 300

    300

    #C6BCCC

    oklch(80.8% 0.025 313.1)

  5. Step 400

    400

    #AA9AB2

    oklch(70.8% 0.039 314.6)

  6. Step 500

    500

    #95819F

    oklch(63.2% 0.05 314.4)

  7. Step 600

    600

    #7F6A89

    oklch(55.5% 0.053 314.8)

  8. Step 700

    700

    #6B5875

    oklch(49% 0.051 313.9)

  9. Step 800

    800

    #57485F

    oklch(42.6% 0.042 313.8)

  10. Step 900

    900

    #483D4E

    oklch(37.8% 0.032 313.6)

  11. Step 950

    950 (this color)

    #150F18

    oklch(18% 0.02 314.3)

Export this scale for Tailwind in the Tailwind colors tool

#150F18 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)#0E11180.015
Deuteranopia (no green cones)#0F11180.014
Tritanopia (no blue cones)#1510120.014
Achromatopsia (no color)#1111110.021

Harmonies

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

Complementary

The opposite hue (180°).

  • #150F18

    #150F18

    oklch(18% 0.02 314.3)

  • #0E140B

    #0E140B

    oklch(18.2% 0.02 135.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #150F18

    #150F18

    oklch(18% 0.02 314.3)

  • #11101A

    #11101A

    oklch(17.9% 0.02 288.7)

  • #180E14

    #180E14

    oklch(18% 0.02 342.6)

Open the analogous palette in the generator

Split complementary

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

  • #150F18

    #150F18

    oklch(18% 0.02 314.3)

  • #131208

    #131208

    oklch(18% 0.019 103.3)

  • #09150F

    #09150F

    oklch(18.2% 0.021 161.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #150F18

    #150F18

    oklch(18% 0.02 314.3)

  • #171008

    #171008

    oklch(17.9% 0.019 70.3)

  • #061514

    #061514

    oklch(18.2% 0.021 190)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #150F18

    #150F18

    oklch(18% 0.02 314.3)

  • #190F0A

    #190F0A

    oklch(18% 0.02 47.6)

  • #0E140B

    #0E140B

    oklch(18.2% 0.02 135.4)

  • #071418

    #071418

    oklch(18.1% 0.02 219.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #150F18, closest first.

Similar named colors

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

Use #150F18 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.