#0C1122

Closest named color: Rich Navy (#001219). oklch(18.3% 0.036 270.2), rgb(12, 17, 34).

Aa

White text reads best on this color (18.76:1).

About this color

#0C1122 is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.036 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.031 away. White text reads best on it, at 18.76:1.

Hue familyBlues
Lightnessvery dark (18%)
Chromamuted (0.036)
Temperaturecool
Nearest nameRich Navy (#001219)
Black text1.11:1
White text18.76:1

Values

HEX#0C1122
RGBrgb(12, 17, 34)
HSLhsl(226, 48%, 9%)
OKLCHoklch(18.3% 0.036 270.2)

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 #0C1122 18.76:1 AAA Lc -107.3 Preferred for body text
Black text on #0C1122 1.11:1 Fails Lc 0.0 Not readable
#0C1122 text on white 18.76:1 AAA Lc 105.2 Preferred for body text
#0C1122 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

    #F4F5F9

    oklch(97.1% 0.005 275)

  2. Step 100

    100

    #E6EAF2

    oklch(93.6% 0.012 264.5)

  3. Step 200

    200

    #D3D9E9

    oklch(88.6% 0.023 269.4)

  4. Step 300

    300

    #B6C0DD

    oklch(80.9% 0.042 270.4)

  5. Step 400

    400

    #909FCC

    oklch(70.7% 0.068 270.3)

  6. Step 500

    500

    #7587BF

    oklch(63.2% 0.087 270.1)

  7. Step 600

    600

    #5E70AB

    oklch(55.6% 0.095 270.2)

  8. Step 700

    700

    #4D5E93

    oklch(49.2% 0.088 269.5)

  9. Step 800

    800

    #404D77

    oklch(42.8% 0.072 270.1)

  10. Step 900

    900

    #364060

    oklch(37.7% 0.057 270.3)

  11. Step 950

    950 (this color)

    #0C1122

    oklch(18.3% 0.036 270.2)

Export this scale for Tailwind in the Tailwind colors tool

#0C1122 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)#0A13230.007
Deuteranopia (no green cones)#0811220.007
Tritanopia (no blue cones)#0415170.034
Achromatopsia (no color)#1212120.036

Harmonies

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

Complementary

The opposite hue (180°).

  • #0C1122

    #0C1122

    oklch(18.3% 0.036 270.2)

  • #181101

    #181101

    oklch(18.2% 0.035 89.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #0C1122

    #0C1122

    oklch(18.3% 0.036 270.2)

  • #031420

    #031420

    oklch(18.3% 0.035 240)

  • #150E20

    #150E20

    oklch(18.3% 0.037 300.7)

Open the analogous palette in the generator

Split complementary

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

  • #0C1122

    #0C1122

    oklch(18.3% 0.036 270.2)

  • #1D0E02

    #1D0E02

    oklch(18.2% 0.036 62.8)

  • #101403

    #101403

    oklch(18.1% 0.034 119.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #0C1122

    #0C1122

    oklch(18.3% 0.036 270.2)

  • #200B08

    #200B08

    oklch(18.2% 0.037 29.9)

  • #051609

    #051609

    oklch(18% 0.036 150.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #0C1122

    #0C1122

    oklch(18.3% 0.036 270.2)

  • #1F0B11

    #1F0B11

    oklch(18.3% 0.036 2.1)

  • #181101

    #181101

    oklch(18.2% 0.035 89.4)

  • #001713

    #001713

    oklch(18.3% 0.033 180.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0C1122, closest first.

Similar named colors

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

Use #0C1122 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.