#133B01

Closest named color: Hunter Green (#0B4008). oklch(31.1% 0.095 138.2), rgb(19, 59, 1).

Aa

White text reads best on this color (12.69:1).

About this color

#133B01 is a dark, moderately saturated green. In OKLCH its lightness is 31%, its chroma 0.095 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hunter Green (#0B4008), ΔE 0.016 away. White text reads best on it, at 12.69:1.

Hue familyGreens
Lightnessdark (31%)
Chromamoderately saturated (0.095)
Temperaturein between
Nearest nameHunter Green (#0B4008)
Black text1.65:1
White text12.69:1

Values

HEX#133B01
RGBrgb(19, 59, 1)
HSLhsl(101, 97%, 12%)
OKLCHoklch(31.1% 0.095 138.2)

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 #133B01 12.69:1 AAA Lc -101.8 Preferred for body text
Black text on #133B01 1.65:1 Fails Lc 0.0 Not readable
#133B01 text on white 12.69:1 AAA Lc 98.4 Preferred for body text
#133B01 text on black 1.65:1 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

    #F1F8EE

    oklch(97.1% 0.015 136.1)

  2. Step 100

    100

    #E0EFDB

    oklch(93.5% 0.031 137.8)

  3. Step 200

    200

    #C5E4BC

    oklch(88.6% 0.063 138.7)

  4. Step 300

    300

    #9CD28A

    oklch(80.8% 0.113 138.1)

  5. Step 400

    400

    #61BA3F

    oklch(70.8% 0.181 138.3)

  6. Step 500

    500

    #40A300

    oklch(63.1% 0.196 138.3)

  7. Step 600

    600

    #358900

    oklch(55.6% 0.173 138.2)

  8. Step 700

    700

    #2B7300

    oklch(49% 0.152 138.2)

  9. Step 800

    800

    #225F00

    oklch(42.8% 0.133 138.3)

  10. Step 900

    900

    #1B4F00

    oklch(37.7% 0.117 138.3)

  11. Step 950

    950 (this color)

    #133B01

    oklch(31.1% 0.095 138.2)

Export this scale for Tailwind in the Tailwind colors tool

#133B01 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)#3D35000.062
Deuteranopia (no green cones)#3831070.062
Tritanopia (no blue cones)#0F39310.066
Achromatopsia (no color)#3333330.096

Harmonies

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

Complementary

The opposite hue (180°).

  • #133B01

    #133B01

    oklch(31.1% 0.095 138.2)

  • #441D4F

    #441D4F

    oklch(31.1% 0.096 318.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #133B01

    #133B01

    oklch(31.1% 0.095 138.2)

  • #343300

    #343300

    oklch(31.2% 0.067 108.6)

  • #003B2B

    #003B2B

    oklch(31.3% 0.063 168.3)

Open the analogous palette in the generator

Split complementary

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

  • #133B01

    #133B01

    oklch(31.1% 0.095 138.2)

  • #30265D

    #30265D

    oklch(31.2% 0.094 288)

  • #511739

    #511739

    oklch(31.1% 0.096 347.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #133B01

    #133B01

    oklch(31.1% 0.095 138.2)

  • #0D2F60

    #0D2F60

    oklch(31.2% 0.096 258.3)

  • #57161D

    #57161D

    oklch(31.1% 0.095 18.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #133B01

    #133B01

    oklch(31.1% 0.095 138.2)

  • #003649

    #003649

    oklch(31.1% 0.061 228.7)

  • #441D4F

    #441D4F

    oklch(31.1% 0.096 318.3)

  • #512000

    #512000

    oklch(31.1% 0.084 48.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #133B01, closest first.

Similar named colors

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

Use #133B01 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.