#0B030A

Closest named color: Almost Black (#070D0D). oklch(12% 0.027 330.7), rgb(11, 3, 10).

Aa

White text reads best on this color (20.35:1).

About this color

#0B030A is a very dark close to neutral grey. In OKLCH its lightness is 12%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.048 away. White text reads best on it, at 20.35:1.

Hue familyNeutrals
Lightnessvery dark (12%)
Chromaclose to neutral grey (0.027)
Temperatureneutral
Nearest nameAlmost Black (#070D0D)
Black text1.03:1
White text20.35:1

Values

HEX#0B030A
RGBrgb(11, 3, 10)
HSLhsl(308, 57%, 3%)
OKLCHoklch(12% 0.027 330.7)

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 #0B030A 20.35:1 AAA Lc -107.8 Preferred for body text
Black text on #0B030A 1.03:1 Fails Lc 0.0 Not readable
#0B030A text on white 20.35:1 AAA Lc 106.0 Preferred for body text
#0B030A text on black 1.03:1 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

    #F7F4F7

    oklch(97% 0.005 325.6)

  2. Step 100

    100

    #EEE8ED

    oklch(93.7% 0.009 331)

  3. Step 200

    200

    #E0D5DF

    oklch(88.5% 0.018 328.5)

  4. Step 300

    300

    #CDB9CA

    oklch(80.8% 0.032 330.8)

  5. Step 400

    400

    #B495B0

    oklch(70.6% 0.052 330.4)

  6. Step 500

    500

    #A17B9C

    oklch(63.1% 0.066 330.8)

  7. Step 600

    600

    #8C6487

    oklch(55.7% 0.072 330.9)

  8. Step 700

    700

    #775372

    oklch(49.2% 0.066 331.4)

  9. Step 800

    800

    #61445D

    oklch(42.8% 0.055 331.3)

  10. Step 900

    900

    #4F394C

    oklch(37.6% 0.043 331.1)

  11. Step 950

    950 (this color)

    #0B030A

    oklch(12% 0.027 330.7)

Export this scale for Tailwind in the Tailwind colors tool

#0B030A 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)#03050A0.027
Deuteranopia (no green cones)#04060A0.026
Tritanopia (no blue cones)#0C03050.014
Achromatopsia (no color)#0505050.028

Harmonies

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

Complementary

The opposite hue (180°).

  • #0B030A

    #0B030A

    oklch(12% 0.027 330.7)

  • #010802

    #010802

    oklch(12% 0.028 148.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #0B030A

    #0B030A

    oklch(12% 0.027 330.7)

  • #07040E

    #07040E

    oklch(12% 0.026 299.5)

  • #0D0305

    #0D0305

    oklch(12.1% 0.025 3.9)

Open the analogous palette in the generator

Split complementary

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

  • #0B030A

    #0B030A

    oklch(12% 0.027 330.7)

  • #050700

    #050700

    oklch(12.1% 0.029 119.3)

  • #000806

    #000806

    oklch(12% 0.022 179.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #0B030A

    #0B030A

    oklch(12% 0.027 330.7)

  • #090500

    #090500

    oklch(11.9% 0.024 86.8)

  • #00070A

    #00070A

    oklch(11.8% 0.021 216)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #0B030A

    #0B030A

    oklch(12% 0.027 330.7)

  • #0D0400

    #0D0400

    oklch(12.2% 0.028 62.7)

  • #010802

    #010802

    oklch(12% 0.028 148.5)

  • #00070F

    #00070F

    oklch(12.2% 0.027 238.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0B030A, closest first.

Similar named colors

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

Use #0B030A 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.