#0F121A

Closest named color: Rich Navy (#001219). oklch(18.3% 0.017 268.7), rgb(15, 18, 26).

Aa

White text reads best on this color (18.72:1).

About this color

#0F121A is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.027 away. White text reads best on it, at 18.72:1.

Hue familyNeutrals
Lightnessvery dark (18%)
Chromaclose to neutral grey (0.017)
Temperatureneutral
Nearest nameRich Navy (#001219)
Black text1.12:1
White text18.72:1

Values

HEX#0F121A
RGBrgb(15, 18, 26)
HSLhsl(224, 27%, 8%)
OKLCHoklch(18.3% 0.017 268.7)

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 #0F121A 18.72:1 AAA Lc -107.3 Preferred for body text
Black text on #0F121A 1.12:1 Fails Lc 0.0 Not readable
#0F121A text on white 18.72:1 AAA Lc 105.2 Preferred for body text
#0F121A 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

    #F5F5F7

    oklch(97.1% 0.003 286.4)

  2. Step 100

    100

    #E8EAEE

    oklch(93.7% 0.006 264.5)

  3. Step 200

    200

    #D6D9E1

    oklch(88.5% 0.011 269.5)

  4. Step 300

    300

    #BBC0CE

    oklch(80.8% 0.02 270.2)

  5. Step 400

    400

    #98A0B6

    oklch(70.7% 0.033 269.7)

  6. Step 500

    500

    #7F89A3

    oklch(63.1% 0.041 268.6)

  7. Step 600

    600

    #68738E

    oklch(55.6% 0.044 267.6)

  8. Step 700

    700

    #576079

    oklch(49.1% 0.042 269.4)

  9. Step 800

    800

    #474E63

    oklch(42.6% 0.036 270.4)

  10. Step 900

    900

    #3B4150

    oklch(37.6% 0.027 268)

  11. Step 950

    950 (this color)

    #0F121A

    oklch(18.3% 0.017 268.7)

Export this scale for Tailwind in the Tailwind colors tool

#0F121A 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)#10131A0.004
Deuteranopia (no green cones)#0F121A0.000
Tritanopia (no blue cones)#0C14150.016
Achromatopsia (no color)#1212120.017

Harmonies

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

Complementary

The opposite hue (180°).

  • #0F121A

    #0F121A

    oklch(18.3% 0.017 268.7)

  • #151209

    #151209

    oklch(18.3% 0.018 91.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #0F121A

    #0F121A

    oklch(18.3% 0.017 268.7)

  • #0B1319

    #0B1319

    oklch(18.2% 0.017 241.3)

  • #131119

    #131119

    oklch(18.4% 0.016 296.2)

Open the analogous palette in the generator

Split complementary

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

  • #0F121A

    #0F121A

    oklch(18.3% 0.017 268.7)

  • #18100B

    #18100B

    oklch(18.2% 0.017 53.4)

  • #11130B

    #11130B

    oklch(18.2% 0.016 119.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #0F121A

    #0F121A

    oklch(18.3% 0.017 268.7)

  • #190F0E

    #190F0E

    oklch(18.2% 0.017 25.3)

  • #0D140E

    #0D140E

    oklch(18.2% 0.016 148.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #0F121A

    #0F121A

    oklch(18.3% 0.017 268.7)

  • #190F12

    #190F12

    oklch(18.3% 0.018 359.3)

  • #151209

    #151209

    oklch(18.3% 0.018 91.8)

  • #0A1512

    #0A1512

    oklch(18.4% 0.017 175.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0F121A, closest first.

Similar named colors

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

Use #0F121A 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.