#030509

Closest named color: Almost Black (#070D0D). oklch(11.4% 0.013 257.6), rgb(3, 5, 9).

Aa

White text reads best on this color (20.39:1).

About this color

#030509 is a very dark close to neutral grey. In OKLCH its lightness is 11%, its chroma 0.013. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.040 away. White text reads best on it, at 20.39:1.

Hue familyNeutrals
Lightnessvery dark (11%)
Chromaclose to neutral grey (0.013)
Temperatureneutral
Nearest nameAlmost Black (#070D0D)
Black text1.02:1
White text20.39:1

Values

HEX#030509
RGBrgb(3, 5, 9)
HSLhsl(220, 50%, 2%)
OKLCHoklch(11.4% 0.013 257.6)

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 #030509 20.39:1 AAA Lc -107.9 Preferred for body text
Black text on #030509 1.02:1 Fails Lc 0.0 Not readable
#030509 text on white 20.39:1 AAA Lc 106.0 Preferred for body text
#030509 text on black 1.02:1 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

    #F4F5F7

    oklch(97% 0.003 264.5)

  2. Step 100

    100

    #E8EAED

    oklch(93.6% 0.005 258.3)

  3. Step 200

    200

    #D6D9DF

    oklch(88.5% 0.009 264.5)

  4. Step 300

    300

    #BAC1CB

    oklch(80.8% 0.016 257.2)

  5. Step 400

    400

    #97A1B0

    oklch(70.6% 0.025 258.4)

  6. Step 500

    500

    #7E8A9D

    oklch(63% 0.032 259.6)

  7. Step 600

    600

    #677488

    oklch(55.5% 0.035 258.9)

  8. Step 700

    700

    #556273

    oklch(49.2% 0.032 255.2)

  9. Step 800

    800

    #46505E

    oklch(42.8% 0.027 256.8)

  10. Step 900

    900

    #3B424D

    oklch(37.7% 0.021 259.4)

  11. Step 950

    950 (this color)

    #030509

    oklch(11.4% 0.013 257.6)

Export this scale for Tailwind in the Tailwind colors tool

#030509 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)#0405090.004
Deuteranopia (no green cones)#0305090.000
Tritanopia (no blue cones)#0206060.013
Achromatopsia (no color)#0505050.013

Harmonies

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

This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #030509, closest first.

Similar named colors

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

Use #030509 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.