#1B3A13

Closest named color: Pakistan Green (#283618). oklch(31.4% 0.074 139.6), rgb(27, 58, 19).

Aa

White text reads best on this color (12.64:1).

About this color

#1B3A13 is a dark, moderately saturated green. In OKLCH its lightness is 31%, its chroma 0.074 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.024 away. White text reads best on it, at 12.64:1.

Hue familyGreens
Lightnessdark (31%)
Chromamoderately saturated (0.074)
Temperaturein between
Nearest namePakistan Green (#283618)
Black text1.66:1
White text12.64:1

Values

HEX#1B3A13
RGBrgb(27, 58, 19)
HSLhsl(108, 51%, 15%)
OKLCHoklch(31.4% 0.074 139.6)

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 #1B3A13 12.64:1 AAA Lc -101.9 Preferred for body text
Black text on #1B3A13 1.66:1 Fails Lc 0.0 Not readable
#1B3A13 text on white 12.64:1 AAA Lc 98.5 Preferred for body text
#1B3A13 text on black 1.66:1 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

    #F1F7F0

    oklch(97% 0.011 141.3)

  2. Step 100

    100

    #E1EEDE

    oklch(93.5% 0.025 139.8)

  3. Step 200

    200

    #C9E2C3

    oklch(88.6% 0.05 139.6)

  4. Step 300

    300

    #A3CF99

    oklch(80.9% 0.088 139.9)

  5. Step 400

    400

    #6FB55E

    oklch(70.6% 0.14 139.7)

  6. Step 500

    500

    #44A228

    oklch(63.2% 0.18 139.6)

  7. Step 600

    600

    #2B8A00

    oklch(55.6% 0.178 139.6)

  8. Step 700

    700

    #237400

    oklch(49% 0.157 139.6)

  9. Step 800

    800

    #1B5F00

    oklch(42.6% 0.136 139.6)

  10. Step 900

    900

    #184F04

    oklch(37.6% 0.116 139.5)

  11. Step 950

    950 (this color)

    #1B3A13

    oklch(31.4% 0.074 139.6)

Export this scale for Tailwind in the Tailwind colors tool

#1B3A13 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)#3C350F0.050
Deuteranopia (no green cones)#3832160.051
Tritanopia (no blue cones)#1838310.049
Achromatopsia (no color)#3333330.074

Harmonies

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

Complementary

The opposite hue (180°).

  • #1B3A13

    #1B3A13

    oklch(31.4% 0.074 139.6)

  • #412449

    #412449

    oklch(31.5% 0.073 318.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1B3A13

    #1B3A13

    oklch(31.4% 0.074 139.6)

  • #343400

    #343400

    oklch(31.5% 0.069 109.8)

  • #003B2C

    #003B2C

    oklch(31.3% 0.062 169.7)

Open the analogous palette in the generator

Split complementary

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

  • #1B3A13

    #1B3A13

    oklch(31.4% 0.074 139.6)

  • #312A54

    #312A54

    oklch(31.5% 0.073 289.1)

  • #4C2037

    #4C2037

    oklch(31.5% 0.073 349.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1B3A13

    #1B3A13

    oklch(31.4% 0.074 139.6)

  • #193156

    #193156

    oklch(31.5% 0.073 258.8)

  • #511F22

    #511F22

    oklch(31.4% 0.075 18.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1B3A13

    #1B3A13

    oklch(31.4% 0.074 139.6)

  • #00374B

    #00374B

    oklch(31.5% 0.063 229.7)

  • #412449

    #412449

    oklch(31.5% 0.073 318.7)

  • #4E2408

    #4E2408

    oklch(31.4% 0.074 50)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1B3A13, closest first.

Similar named colors

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

Use #1B3A13 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.