#0A030C

Closest named color: Almost Black (#070D0D). oklch(12% 0.029 320.5), rgb(10, 3, 12).

Aa

White text reads best on this color (20.36:1).

About this color

#0A030C is a very dark close to neutral grey. In OKLCH its lightness is 12%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.049 away. White text reads best on it, at 20.36:1.

Hue familyNeutrals
Lightnessvery dark (12%)
Chromaclose to neutral grey (0.029)
Temperatureneutral
Nearest nameAlmost Black (#070D0D)
Black text1.03:1
White text20.36:1

Values

HEX#0A030C
RGBrgb(10, 3, 12)
HSLhsl(287, 60%, 3%)
OKLCHoklch(12% 0.029 320.5)

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 #0A030C 20.36:1 AAA Lc -107.8 Preferred for body text
Black text on #0A030C 1.03:1 Fails Lc 0.0 Not readable
#0A030C text on white 20.36:1 AAA Lc 106.0 Preferred for body text
#0A030C 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

    #EDE8EE

    oklch(93.7% 0.01 320.5)

  3. Step 200

    200

    #DFD5E1

    oklch(88.5% 0.019 320.6)

  4. Step 300

    300

    #CBBACF

    oklch(81% 0.035 319.8)

  5. Step 400

    400

    #B196B6

    oklch(70.8% 0.055 321)

  6. Step 500

    500

    #9D7CA4

    oklch(63.2% 0.07 320.4)

  7. Step 600

    600

    #88648F

    oklch(55.5% 0.078 320.9)

  8. Step 700

    700

    #73537A

    oklch(49.1% 0.072 320.2)

  9. Step 800

    800

    #5E4463

    oklch(42.7% 0.06 320.9)

  10. Step 900

    900

    #4D3A51

    oklch(37.8% 0.046 320.4)

  11. Step 950

    950 (this color)

    #0A030C

    oklch(12% 0.029 320.5)

Export this scale for Tailwind in the Tailwind colors tool

#0A030C 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)#02050C0.028
Deuteranopia (no green cones)#03050C0.024
Tritanopia (no blue cones)#0A04060.019
Achromatopsia (no color)#0505050.030

Harmonies

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

Complementary

The opposite hue (180°).

  • #0A030C

    #0A030C

    oklch(12% 0.029 320.5)

  • #020801

    #020801

    oklch(12.1% 0.03 138.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #0A030C

    #0A030C

    oklch(12% 0.029 320.5)

  • #060410

    #060410

    oklch(12% 0.03 291.4)

  • #0D0207

    #0D0207

    oklch(11.7% 0.032 347.7)

Open the analogous palette in the generator

Split complementary

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

  • #0A030C

    #0A030C

    oklch(12% 0.029 320.5)

  • #060600

    #060600

    oklch(11.8% 0.026 109.8)

  • #000805

    #000805

    oklch(12% 0.023 172.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #0A030C

    #0A030C

    oklch(12% 0.029 320.5)

  • #0A0500

    #0A0500

    oklch(12.1% 0.025 82.3)

  • #000708

    #000708

    oklch(11.7% 0.02 202.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #0A030C

    #0A030C

    oklch(12% 0.029 320.5)

  • #0E0300

    #0E0300

    oklch(11.9% 0.031 52)

  • #020801

    #020801

    oklch(12.1% 0.03 138.9)

  • #00070D

    #00070D

    oklch(12.1% 0.024 231)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0A030C, closest first.

Similar named colors

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

Use #0A030C 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.