#0C121A

Closest named color: Rich Navy (#001219). oklch(18% 0.019 255.8), rgb(12, 18, 26).

Aa

White text reads best on this color (18.79:1).

About this color

#0C121A is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.022 away. White text reads best on it, at 18.79:1.

Hue familyNeutrals
Lightnessvery dark (18%)
Chromaclose to neutral grey (0.019)
Temperatureneutral
Nearest nameRich Navy (#001219)
Black text1.11:1
White text18.79:1

Values

HEX#0C121A
RGBrgb(12, 18, 26)
HSLhsl(214, 37%, 7%)
OKLCHoklch(18% 0.019 255.8)

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 #0C121A 18.79:1 AAA Lc -107.3 Preferred for body text
Black text on #0C121A 1.11:1 Fails Lc 0.0 Not readable
#0C121A text on white 18.79:1 AAA Lc 105.3 Preferred for body text
#0C121A text on black 1.11:1 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

    #E7EAEE

    oklch(93.6% 0.006 255.5)

  3. Step 200

    200

    #D4DAE1

    oklch(88.6% 0.012 252.1)

  4. Step 300

    300

    #B7C2CF

    oklch(81% 0.022 252.5)

  5. Step 400

    400

    #92A2B7

    oklch(70.7% 0.036 255.3)

  6. Step 500

    500

    #778BA6

    oklch(63.1% 0.047 256)

  7. Step 600

    600

    #607591

    oklch(55.6% 0.05 255.7)

  8. Step 700

    700

    #4F627B

    oklch(49% 0.047 255.4)

  9. Step 800

    800

    #415064

    oklch(42.7% 0.038 255.7)

  10. Step 900

    900

    #374252

    oklch(37.6% 0.031 257.7)

  11. Step 950

    950 (this color)

    #0C121A

    oklch(18% 0.019 255.8)

Export this scale for Tailwind in the Tailwind colors tool

#0C121A 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)#0F121A0.005
Deuteranopia (no green cones)#0D111A0.004
Tritanopia (no blue cones)#0814150.016
Achromatopsia (no color)#1212120.019

Harmonies

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

Complementary

The opposite hue (180°).

  • #0C121A

    #0C121A

    oklch(18% 0.019 255.8)

  • #171008

    #171008

    oklch(17.9% 0.019 70.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #0C121A

    #0C121A

    oklch(18% 0.019 255.8)

  • #081318

    #081318

    oklch(17.9% 0.019 228.3)

  • #11101A

    #11101A

    oklch(17.9% 0.02 288.7)

Open the analogous palette in the generator

Split complementary

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

  • #0C121A

    #0C121A

    oklch(18% 0.019 255.8)

  • #190F0A

    #190F0A

    oklch(18% 0.02 47.6)

  • #131208

    #131208

    oklch(18% 0.019 103.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #0C121A

    #0C121A

    oklch(18% 0.019 255.8)

  • #190E0F

    #190E0F

    oklch(17.9% 0.019 13.1)

  • #0E140B

    #0E140B

    oklch(18.2% 0.02 135.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #0C121A

    #0C121A

    oklch(18% 0.019 255.8)

  • #180E13

    #180E13

    oklch(18% 0.019 347.8)

  • #171008

    #171008

    oklch(17.9% 0.019 70.3)

  • #091410

    #091410

    oklch(17.9% 0.018 169.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0C121A, closest first.

Similar named colors

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

Use #0C121A 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.