#283F1D

Closest named color: Dark Olive (#373E02). oklch(33.9% 0.063 136.3), rgb(40, 63, 29).

Aa

White text reads best on this color (11.54:1).

About this color

#283F1D is a dark, muted green. In OKLCH its lightness is 34%, its chroma 0.063 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.029 away. White text reads best on it, at 11.54:1.

Hue familyGreens
Lightnessdark (34%)
Chromamuted (0.063)
Temperaturein between
Nearest nameDark Olive (#373E02)
Black text1.81:1
White text11.54:1

Values

HEX#283F1D
RGBrgb(40, 63, 29)
HSLhsl(101, 37%, 18%)
OKLCHoklch(33.9% 0.063 136.3)

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 #283F1D 11.54:1 AAA Lc -100.2 Preferred for body text
Black text on #283F1D 1.81:1 Fails Lc 7.4 Not readable
#283F1D text on white 11.54:1 AAA Lc 96.5 Preferred for body text
#283F1D text on black 1.81:1 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

    #F3F6F2

    oklch(97% 0.006 137.8)

  2. Step 100

    100

    #E6ECE3

    oklch(93.6% 0.014 134.9)

  3. Step 200

    200

    #D1DDCC

    oklch(88.4% 0.026 136.3)

  4. Step 300

    300

    #B3C8AA

    oklch(80.9% 0.047 136.2)

  5. Step 400

    400

    #8BAC7D

    oklch(70.7% 0.076 136.5)

  6. Step 500

    500

    #6E975B

    oklch(63.1% 0.097 136.2)

  7. Step 600

    600

    #568141

    oklch(55.6% 0.104 136.2)

  8. Step 700

    700

    #466D33

    oklch(49.1% 0.097 136.3)

  9. Step 800

    800

    #3A592B

    oklch(42.8% 0.08 136.3)

  10. Step 900

    900 (this color)

    #283F1D

    oklch(33.9% 0.063 136.3)

  11. Step 950

    950

    #1D2B17

    oklch(27% 0.04 136.7)

Export this scale for Tailwind in the Tailwind colors tool

#283F1D 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)#413A1A0.041
Deuteranopia (no green cones)#3E381F0.041
Tritanopia (no blue cones)#273D370.044
Achromatopsia (no color)#3939390.063

Harmonies

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

Complementary

The opposite hue (180°).

  • #283F1D

    #283F1D

    oklch(33.9% 0.063 136.3)

  • #442D4D

    #442D4D

    oklch(33.8% 0.062 316.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #283F1D

    #283F1D

    oklch(33.9% 0.063 136.3)

  • #3C390C

    #3C390C

    oklch(33.8% 0.063 105.5)

  • #0C4230

    #0C4230

    oklch(33.9% 0.064 165.9)

Open the analogous palette in the generator

Split complementary

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

  • #283F1D

    #283F1D

    oklch(33.9% 0.063 136.3)

  • #353257

    #353257

    oklch(33.8% 0.064 286.1)

  • #4F293E

    #4F293E

    oklch(33.8% 0.064 346.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #283F1D

    #283F1D

    oklch(33.9% 0.063 136.3)

  • #213858

    #213858

    oklch(33.8% 0.064 256.9)

  • #53292C

    #53292C

    oklch(33.8% 0.062 16.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #283F1D

    #283F1D

    oklch(33.9% 0.063 136.3)

  • #043E51

    #043E51

    oklch(34% 0.063 226.8)

  • #442D4D

    #442D4D

    oklch(33.8% 0.062 316.1)

  • #522C1A

    #522C1A

    oklch(33.8% 0.063 45.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #283F1D, closest first.

Similar named colors

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

Use #283F1D 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.