#0D121C

Closest named color: Rich Navy (#001219). oklch(18.2% 0.022 263.8), rgb(13, 18, 28).

Aa

White text reads best on this color (18.74:1).

About this color

#0D121C is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.025 away. White text reads best on it, at 18.74:1.

Hue familyNeutrals
Lightnessvery dark (18%)
Chromaclose to neutral grey (0.022)
Temperatureneutral
Nearest nameRich Navy (#001219)
Black text1.12:1
White text18.74:1

Values

HEX#0D121C
RGBrgb(13, 18, 28)
HSLhsl(220, 37%, 8%)
OKLCHoklch(18.2% 0.022 263.8)

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 #0D121C 18.74:1 AAA Lc -107.3 Preferred for body text
Black text on #0D121C 1.12:1 Fails Lc 0.0 Not readable
#0D121C text on white 18.74:1 AAA Lc 105.3 Preferred for body text
#0D121C text on black 1.12:1 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

    #F4F5F8

    oklch(97% 0.004 271.4)

  2. Step 100

    100

    #E7EAEF

    oklch(93.6% 0.007 260.7)

  3. Step 200

    200

    #D4D9E3

    oklch(88.4% 0.015 264.5)

  4. Step 300

    300

    #B8C1D2

    oklch(80.9% 0.026 263.3)

  5. Step 400

    400

    #93A1BC

    oklch(70.7% 0.043 263.6)

  6. Step 500

    500

    #798AAB

    oklch(63.2% 0.054 263.5)

  7. Step 600

    600

    #627396

    oklch(55.5% 0.058 264.4)

  8. Step 700

    700

    #516180

    oklch(49.2% 0.054 263.3)

  9. Step 800

    800

    #424F68

    oklch(42.7% 0.045 263.2)

  10. Step 900

    900

    #384255

    oklch(37.8% 0.035 263.1)

  11. Step 950

    950 (this color)

    #0D121C

    oklch(18.2% 0.022 263.8)

Export this scale for Tailwind in the Tailwind colors tool

#0D121C 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)#0F131C0.006
Deuteranopia (no green cones)#0D111C0.004
Tritanopia (no blue cones)#0814150.021
Achromatopsia (no color)#1212120.022

Harmonies

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

Complementary

The opposite hue (180°).

  • #0D121C

    #0D121C

    oklch(18.2% 0.022 263.8)

  • #171107

    #171107

    oklch(18.2% 0.022 80.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #0D121C

    #0D121C

    oklch(18.2% 0.022 263.8)

  • #08141A

    #08141A

    oklch(18.3% 0.021 231)

  • #12101B

    #12101B

    oklch(18.1% 0.022 292.3)

Open the analogous palette in the generator

Split complementary

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

  • #0D121C

    #0D121C

    oklch(18.2% 0.022 263.8)

  • #1A0F09

    #1A0F09

    oklch(18.2% 0.022 49.6)

  • #121308

    #121308

    oklch(18.2% 0.021 112.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #0D121C

    #0D121C

    oklch(18.2% 0.022 263.8)

  • #1B0E0D

    #1B0E0D

    oklch(18.2% 0.023 24.4)

  • #0C150C

    #0C150C

    oklch(18.3% 0.023 144.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #0D121C

    #0D121C

    oklch(18.2% 0.022 263.8)

  • #1A0E13

    #1A0E13

    oklch(18.3% 0.022 352.9)

  • #171107

    #171107

    oklch(18.2% 0.022 80.3)

  • #071511

    #071511

    oklch(18.1% 0.022 173.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0D121C, closest first.

Similar named colors

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

Use #0D121C 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.