#1F3301

Closest named color: Pakistan Green (#283618). oklch(29.3% 0.077 129.7), rgb(31, 51, 1).

Aa

White text reads best on this color (13.70:1).

About this color

#1F3301 is a dark, moderately saturated green. In OKLCH its lightness is 29%, its chroma 0.077 and its hue 130°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.031 away. White text reads best on it, at 13.70:1.

Hue familyGreens
Lightnessdark (29%)
Chromamoderately saturated (0.077)
Temperaturein between
Nearest namePakistan Green (#283618)
Black text1.53:1
White text13.70:1

Values

HEX#1F3301
RGBrgb(31, 51, 1)
HSLhsl(84, 96%, 10%)
OKLCHoklch(29.3% 0.077 129.7)

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 #1F3301 13.70:1 AAA Lc -103.2 Preferred for body text
Black text on #1F3301 1.53:1 Fails Lc 0.0 Not readable
#1F3301 text on white 13.70:1 AAA Lc 100.1 Preferred for body text
#1F3301 text on black 1.53:1 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

    #F3F7EF

    oklch(97.1% 0.011 128.6)

  2. Step 100

    100

    #E4EEDB

    oklch(93.6% 0.027 129.8)

  3. Step 200

    200

    #CEE0BD

    oklch(88.4% 0.051 129.7)

  4. Step 300

    300

    #AECD8E

    oklch(81% 0.091 129.5)

  5. Step 400

    400

    #82B247

    oklch(70.7% 0.147 129.8)

  6. Step 500

    500

    #679C00

    oklch(63.1% 0.169 129.7)

  7. Step 600

    600

    #568300

    oklch(55.6% 0.149 129.6)

  8. Step 700

    700

    #476E00

    oklch(49% 0.131 129.8)

  9. Step 800

    800

    #3A5A00

    oklch(42.6% 0.114 129.5)

  10. Step 900

    900

    #2F4B00

    oklch(37.6% 0.101 129.8)

  11. Step 950

    950 (this color)

    #1F3301

    oklch(29.3% 0.077 129.7)

Export this scale for Tailwind in the Tailwind colors tool

#1F3301 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)#362E000.041
Deuteranopia (no green cones)#332D050.039
Tritanopia (no blue cones)#20302A0.061
Achromatopsia (no color)#2D2D2D0.077

Harmonies

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

Complementary

The opposite hue (180°).

  • #1F3301

    #1F3301

    oklch(29.3% 0.077 129.7)

  • #381F48

    #381F48

    oklch(29.3% 0.077 310.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1F3301

    #1F3301

    oklch(29.3% 0.077 129.7)

  • #332C00

    #332C00

    oklch(29.2% 0.061 99.9)

  • #003620

    #003620

    oklch(29.4% 0.067 159.6)

Open the analogous palette in the generator

Split complementary

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

  • #1F3301

    #1F3301

    oklch(29.3% 0.077 129.7)

  • #252651

    #252651

    oklch(29.3% 0.077 279.5)

  • #441A38

    #441A38

    oklch(29.2% 0.077 339.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1F3301

    #1F3301

    oklch(29.3% 0.077 129.7)

  • #042D50

    #042D50

    oklch(29.2% 0.077 249.7)

  • #4B1823

    #4B1823

    oklch(29.3% 0.078 10.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1F3301

    #1F3301

    oklch(29.3% 0.077 129.7)

  • #00323E

    #00323E

    oklch(29.3% 0.053 219.2)

  • #381F48

    #381F48

    oklch(29.3% 0.077 310.6)

  • #4B1B0A

    #4B1B0A

    oklch(29.3% 0.078 39.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F3301, closest first.

Similar named colors

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

Use #1F3301 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.