#001909

Closest named color: Rich Navy (#001219). oklch(18.7% 0.047 154.2), rgb(0, 25, 9).

Aa

White text reads best on this color (18.37:1).

About this color

#001909 is a very dark, muted green. In OKLCH its lightness is 19%, its chroma 0.047 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.050 away. White text reads best on it, at 18.37:1.

Hue familyGreens
Lightnessvery dark (19%)
Chromamuted (0.047)
Temperaturein between
Nearest nameRich Navy (#001219)
Black text1.14:1
White text18.37:1

Values

HEX#001909
RGBrgb(0, 25, 9)
HSLhsl(142, 100%, 5%)
OKLCHoklch(18.7% 0.047 154.2)

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 #001909 18.37:1 AAA Lc -107.0 Preferred for body text
Black text on #001909 1.14:1 Fails Lc 0.0 Not readable
#001909 text on white 18.37:1 AAA Lc 104.8 Preferred for body text
#001909 text on black 1.14:1 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

    #F2F7F3

    oklch(97.1% 0.007 151.9)

  2. Step 100

    100

    #E2EDE5

    oklch(93.6% 0.016 154.5)

  3. Step 200

    200

    #CAE0D0

    oklch(88.6% 0.032 154.1)

  4. Step 300

    300

    #A5CCB1

    oklch(80.9% 0.056 154.8)

  5. Step 400

    400

    #73B187

    oklch(70.6% 0.089 153.9)

  6. Step 500

    500

    #4A9D69

    oklch(63% 0.113 154)

  7. Step 600

    600

    #258851

    oklch(55.7% 0.124 154.2)

  8. Step 700

    700

    #157341

    oklch(49.1% 0.115 154)

  9. Step 800

    800

    #165E36

    oklch(42.8% 0.096 154.1)

  10. Step 900

    900

    #1B4D2F

    oklch(37.7% 0.075 154.2)

  11. Step 950

    950 (this color)

    #001909

    oklch(18.7% 0.047 154.2)

Export this scale for Tailwind in the Tailwind colors tool

#001909 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)#1916080.041
Deuteranopia (no green cones)#15130A0.040
Tritanopia (no blue cones)#0019150.023
Achromatopsia (no color)#1414140.047

Harmonies

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

Complementary

The opposite hue (180°).

  • #001909

    #001909

    oklch(18.7% 0.047 154.2)

  • #1F0A1C

    #1F0A1C

    oklch(18.7% 0.047 332.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #001909

    #001909

    oklch(18.7% 0.047 154.2)

  • #0F1600

    #0F1600

    oklch(18.6% 0.046 123.4)

  • #001815

    #001815

    oklch(18.8% 0.033 184.2)

Open the analogous palette in the generator

Split complementary

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

  • #001909

    #001909

    oklch(18.7% 0.047 154.2)

  • #180D24

    #180D24

    oklch(18.8% 0.047 304.3)

  • #240911

    #240911

    oklch(18.9% 0.047 4.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #001909

    #001909

    oklch(18.7% 0.047 154.2)

  • #0D1128

    #0D1128

    oklch(18.8% 0.047 273.6)

  • #240A05

    #240A05

    oklch(18.7% 0.046 34.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #001909

    #001909

    oklch(18.7% 0.047 154.2)

  • #001526

    #001526

    oklch(18.8% 0.046 243.3)

  • #1F0A1C

    #1F0A1C

    oklch(18.7% 0.047 332.9)

  • #200E00

    #200E00

    oklch(18.7% 0.043 63)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #001909, closest first.

Similar named colors

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

Use #001909 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.