#273F09

Closest named color: Dark Olive (#373E02). oklch(33.6% 0.083 131), rgb(39, 63, 9).

Aa

White text reads best on this color (11.65:1).

About this color

#273F09 is a dark, moderately saturated green. In OKLCH its lightness is 34%, its chroma 0.083 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.023 away. White text reads best on it, at 11.65:1.

Hue familyGreens
Lightnessdark (34%)
Chromamoderately saturated (0.083)
Temperaturein between
Nearest nameDark Olive (#373E02)
Black text1.80:1
White text11.65:1

Values

HEX#273F09
RGBrgb(39, 63, 9)
HSLhsl(87, 75%, 14%)
OKLCHoklch(33.6% 0.083 131)

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 #273F09 11.65:1 AAA Lc -100.3 Preferred for body text
Black text on #273F09 1.80:1 Fails Lc 0.0 Not readable
#273F09 text on white 11.65:1 AAA Lc 96.7 Preferred for body text
#273F09 text on black 1.80:1 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 900.

  1. Step 50

    50

    #F3F7F1

    oklch(97.1% 0.009 134.9)

  2. Step 100

    100

    #E6EDE0

    oklch(93.7% 0.019 130.2)

  3. Step 200

    200

    #D1DEC7

    oklch(88.4% 0.034 131.4)

  4. Step 300

    300

    #B3C9A0

    oklch(80.8% 0.061 130.7)

  5. Step 400

    400

    #8BAE6B

    oklch(70.8% 0.1 131)

  6. Step 500

    500

    #6E9941

    oklch(63.2% 0.127 131)

  7. Step 600

    600

    #55831C

    oklch(55.6% 0.139 131.2)

  8. Step 700

    700

    #466E0C

    oklch(49% 0.128 130.8)

  9. Step 800

    800

    #395A10

    oklch(42.6% 0.107 131.2)

  10. Step 900

    900 (this color)

    #273F09

    oklch(33.6% 0.083 131)

  11. Step 950

    950

    #1D2C0E

    oklch(27.1% 0.054 131.3)

Export this scale for Tailwind in the Tailwind colors tool

#273F09 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)#423A010.043
Deuteranopia (no green cones)#3F380E0.045
Tritanopia (no blue cones)#283C350.064
Achromatopsia (no color)#3838380.083

Harmonies

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

Complementary

The opposite hue (180°).

  • #273F09

    #273F09

    oklch(33.6% 0.083 131)

  • #442956

    #442956

    oklch(33.6% 0.082 310.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #273F09

    #273F09

    oklch(33.6% 0.083 131)

  • #3F3700

    #3F3700

    oklch(33.5% 0.07 100.3)

  • #00422A

    #00422A

    oklch(33.5% 0.074 161.3)

Open the analogous palette in the generator

Split complementary

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

  • #273F09

    #273F09

    oklch(33.6% 0.083 131)

  • #303060

    #303060

    oklch(33.5% 0.083 281)

  • #522343

    #522343

    oklch(33.5% 0.083 341.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #273F09

    #273F09

    oklch(33.6% 0.083 131)

  • #0F3860

    #0F3860

    oklch(33.6% 0.083 251.4)

  • #59212C

    #59212C

    oklch(33.4% 0.083 10.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #273F09

    #273F09

    oklch(33.6% 0.083 131)

  • #003E4D

    #003E4D

    oklch(33.7% 0.061 220.3)

  • #442956

    #442956

    oklch(33.6% 0.082 310.4)

  • #592511

    #592511

    oklch(33.5% 0.083 40.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #273F09, closest first.

Similar named colors

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

Use #273F09 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.