#1B370F

Closest named color: Pakistan Green (#283618). oklch(30.4% 0.073 137.5), rgb(27, 55, 15).

Aa

White text reads best on this color (13.12:1).

About this color

#1B370F is a dark, moderately saturated green. In OKLCH its lightness is 30%, its chroma 0.073 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.023 away. White text reads best on it, at 13.12:1.

Hue familyGreens
Lightnessdark (30%)
Chromamoderately saturated (0.073)
Temperaturein between
Nearest namePakistan Green (#283618)
Black text1.59:1
White text13.12:1

Values

HEX#1B370F
RGBrgb(27, 55, 15)
HSLhsl(102, 57%, 14%)
OKLCHoklch(30.4% 0.073 137.5)

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 #1B370F 13.12:1 AAA Lc -102.5 Preferred for body text
Black text on #1B370F 1.59:1 Fails Lc 0.0 Not readable
#1B370F text on white 13.12:1 AAA Lc 99.3 Preferred for body text
#1B370F text on black 1.59:1 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

    #F2F7F0

    oklch(97% 0.011 136.6)

  2. Step 100

    100

    #E2EEDE

    oklch(93.6% 0.025 137.8)

  3. Step 200

    200

    #CAE1C2

    oklch(88.4% 0.048 137.6)

  4. Step 300

    300

    #A6CE97

    oklch(80.8% 0.087 137.3)

  5. Step 400

    400

    #74B45B

    oklch(70.6% 0.138 137.5)

  6. Step 500

    500

    #4DA122

    oklch(63.2% 0.178 137.6)

  7. Step 600

    600

    #398800

    oklch(55.5% 0.17 137.5)

  8. Step 700

    700

    #2F7300

    oklch(49.2% 0.15 137.5)

  9. Step 800

    800

    #255E00

    oklch(42.7% 0.13 137.5)

  10. Step 900

    900

    #1D4F00

    oklch(37.8% 0.116 137.7)

  11. Step 950

    950 (this color)

    #1B370F

    oklch(30.4% 0.073 137.5)

Export this scale for Tailwind in the Tailwind colors tool

#1B370F 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)#39320A0.047
Deuteranopia (no green cones)#3530120.046
Tritanopia (no blue cones)#19352F0.052
Achromatopsia (no color)#3030300.073

Harmonies

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

Complementary

The opposite hue (180°).

  • #1B370F

    #1B370F

    oklch(30.4% 0.073 137.5)

  • #3E2247

    #3E2247

    oklch(30.6% 0.073 317.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1B370F

    #1B370F

    oklch(30.4% 0.073 137.5)

  • #333100

    #333100

    oklch(30.5% 0.066 107.2)

  • #003828

    #003828

    oklch(30.2% 0.062 167.4)

Open the analogous palette in the generator

Split complementary

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

  • #1B370F

    #1B370F

    oklch(30.4% 0.073 137.5)

  • #2D2851

    #2D2851

    oklch(30.4% 0.072 286.9)

  • #481D36

    #481D36

    oklch(30.3% 0.074 346.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1B370F

    #1B370F

    oklch(30.4% 0.073 137.5)

  • #152F53

    #152F53

    oklch(30.5% 0.073 257)

  • #4D1D21

    #4D1D21

    oklch(30.4% 0.073 17.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1B370F

    #1B370F

    oklch(30.4% 0.073 137.5)

  • #003446

    #003446

    oklch(30.4% 0.059 228.1)

  • #3E2247

    #3E2247

    oklch(30.6% 0.073 317.5)

  • #4B2108

    #4B2108

    oklch(30.3% 0.073 47.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1B370F, closest first.

Similar named colors

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

Use #1B370F 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.