#121B0A

Closest named color: Rich Navy (#001219). oklch(20.8% 0.034 131.6), rgb(18, 27, 10).

Aa

White text reads best on this color (17.69:1).

About this color

#121B0A is a very dark, muted green. In OKLCH its lightness is 21%, its chroma 0.034 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.061 away. White text reads best on it, at 17.69:1.

Hue familyGreens
Lightnessvery dark (21%)
Chromamuted (0.034)
Temperaturein between
Nearest nameRich Navy (#001219)
Black text1.18:1
White text17.69:1

Values

HEX#121B0A
RGBrgb(18, 27, 10)
HSLhsl(92, 46%, 7%)
OKLCHoklch(20.8% 0.034 131.6)

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 #121B0A 17.69:1 AAA Lc -106.7 Preferred for body text
Black text on #121B0A 1.18:1 Fails Lc 0.0 Not readable
#121B0A text on white 17.69:1 AAA Lc 104.5 Preferred for body text
#121B0A text on black 1.18:1 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

    #F4F6F2

    oklch(97.1% 0.006 128.5)

  2. Step 100

    100

    #E7ECE4

    oklch(93.7% 0.012 133.4)

  3. Step 200

    200

    #D4DCCD

    oklch(88.4% 0.022 130)

  4. Step 300

    300

    #B7C6AC

    oklch(80.8% 0.039 131.9)

  5. Step 400

    400

    #92A980

    oklch(70.6% 0.063 131.7)

  6. Step 500

    500

    #77945F

    oklch(63.1% 0.083 131.7)

  7. Step 600

    600

    #607E45

    oklch(55.5% 0.089 131.4)

  8. Step 700

    700

    #4F6A37

    oklch(49% 0.082 131.7)

  9. Step 800

    800

    #41572E

    oklch(42.8% 0.069 131.8)

  10. Step 900

    900

    #374829

    oklch(37.8% 0.055 131.9)

  11. Step 950

    950 (this color)

    #121B0A

    oklch(20.8% 0.034 131.6)

Export this scale for Tailwind in the Tailwind colors tool

#121B0A 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)#1C19090.019
Deuteranopia (no green cones)#1B180B0.020
Tritanopia (no blue cones)#121A170.025
Achromatopsia (no color)#1818180.034

Harmonies

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

Complementary

The opposite hue (180°).

  • #121B0A

    #121B0A

    oklch(20.8% 0.034 131.6)

  • #1D1323

    #1D1323

    oklch(20.8% 0.034 312.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #121B0A

    #121B0A

    oklch(20.8% 0.034 131.6)

  • #1B1805

    #1B1805

    oklch(20.7% 0.034 100.8)

  • #071D13

    #071D13

    oklch(20.9% 0.035 161.7)

Open the analogous palette in the generator

Split complementary

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

  • #121B0A

    #121B0A

    oklch(20.8% 0.034 131.6)

  • #151627

    #151627

    oklch(20.8% 0.034 280.5)

  • #22111C

    #22111C

    oklch(20.6% 0.034 341.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #121B0A

    #121B0A

    oklch(20.8% 0.034 131.6)

  • #0C1927

    #0C1927

    oklch(20.9% 0.034 251.4)

  • #251114

    #251114

    oklch(20.8% 0.034 10.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #121B0A

    #121B0A

    oklch(20.8% 0.034 131.6)

  • #031B23

    #031B23

    oklch(20.7% 0.034 222.7)

  • #1D1323

    #1D1323

    oklch(20.8% 0.034 312.2)

  • #25120B

    #25120B

    oklch(20.7% 0.035 40.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #121B0A, closest first.

Similar named colors

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

Use #121B0A 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.