#01090D

Closest named color: Almost Black (#070D0D). oklch(13.1% 0.02 221.2), rgb(1, 9, 13).

Aa

White text reads best on this color (20.07:1).

About this color

#01090D is a very dark close to neutral grey. In OKLCH its lightness is 13%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.025 away. White text reads best on it, at 20.07:1.

Hue familyNeutrals
Lightnessvery dark (13%)
Chromaclose to neutral grey (0.020)
Temperatureneutral
Nearest nameAlmost Black (#070D0D)
Black text1.04:1
White text20.07:1

Values

HEX#01090D
RGBrgb(1, 9, 13)
HSLhsl(200, 86%, 3%)
OKLCHoklch(13.1% 0.02 221.2)

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 #01090D 20.07:1 AAA Lc -107.8 Preferred for body text
Black text on #01090D 1.04:1 Fails Lc 0.0 Not readable
#01090D text on white 20.07:1 AAA Lc 105.9 Preferred for body text
#01090D text on black 1.04:1 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

    #F3F6F7

    oklch(97.1% 0.003 219.5)

  2. Step 100

    100

    #E5EBED

    oklch(93.6% 0.007 219.6)

  3. Step 200

    200

    #D0DBDF

    oklch(88.4% 0.013 221.4)

  4. Step 300

    300

    #B0C5CC

    oklch(81% 0.025 219.8)

  5. Step 400

    400

    #87A7B2

    oklch(70.8% 0.039 220.8)

  6. Step 500

    500

    #68919F

    oklch(63.2% 0.05 221.1)

  7. Step 600

    600

    #4F7B8A

    oklch(55.7% 0.054 221.5)

  8. Step 700

    700

    #3F6775

    oklch(49% 0.05 222.3)

  9. Step 800

    800

    #34545F

    oklch(42.6% 0.042 221.7)

  10. Step 900

    900

    #2E464E

    oklch(37.8% 0.033 220.7)

  11. Step 950

    950 (this color)

    #01090D

    oklch(13.1% 0.02 221.2)

Export this scale for Tailwind in the Tailwind colors tool

#01090D 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)#07090D0.017
Deuteranopia (no green cones)#05070D0.015
Tritanopia (no blue cones)#000A0A0.010
Achromatopsia (no color)#0808080.021

Harmonies

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

Complementary

The opposite hue (180°).

  • #01090D

    #01090D

    oklch(13.1% 0.02 221.2)

  • #0E0503

    #0E0503

    oklch(13% 0.02 39.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #01090D

    #01090D

    oklch(13.1% 0.02 221.2)

  • #010A09

    #010A09

    oklch(13.2% 0.02 188.4)

  • #03080F

    #03080F

    oklch(13.1% 0.02 248.9)

Open the analogous palette in the generator

Split complementary

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

  • #01090D

    #01090D

    oklch(13.1% 0.02 221.2)

  • #0E0506

    #0E0506

    oklch(13.1% 0.019 10.8)

  • #0C0602

    #0C0602

    oklch(13% 0.019 67.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #01090D

    #01090D

    oklch(13.1% 0.02 221.2)

  • #0D050A

    #0D050A

    oklch(13.2% 0.021 340.1)

  • #090801

    #090801

    oklch(13.2% 0.023 104.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #01090D

    #01090D

    oklch(13.1% 0.02 221.2)

  • #0A050D

    #0A050D

    oklch(12.9% 0.022 314)

  • #0E0503

    #0E0503

    oklch(13% 0.02 39.7)

  • #050903

    #050903

    oklch(13.1% 0.02 133.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #01090D, closest first.

Similar named colors

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

Use #01090D 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.