#43390B

Closest named color: Dark Olive (#373E02). oklch(34.6% 0.063 96.4), rgb(67, 57, 11).

Aa

White text reads best on this color (11.48:1).

About this color

#43390B is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.063 and its hue 96°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.029 away. White text reads best on it, at 11.48:1.

Hue familyBrowns
Lightnessdark (35%)
Chromamuted (0.063)
Temperaturewarm
Nearest nameDark Olive (#373E02)
Black text1.82:1
White text11.48:1

Values

HEX#43390B
RGBrgb(67, 57, 11)
HSLhsl(49, 72%, 15%)
OKLCHoklch(34.6% 0.063 96.4)

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 #43390B 11.48:1 AAA Lc -100.1 Preferred for body text
Black text on #43390B 1.82:1 Fails Lc 7.5 Not readable
#43390B text on white 11.48:1 AAA Lc 96.4 Preferred for body text
#43390B text on black 1.82:1 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

    #F6F5F1

    oklch(97% 0.005 95.1)

  2. Step 100

    100

    #ECEAE0

    oklch(93.6% 0.013 97.4)

  3. Step 200

    200

    #DED9C6

    oklch(88.4% 0.026 94.8)

  4. Step 300

    300

    #C9C19F

    oklch(80.9% 0.047 96.3)

  5. Step 400

    400

    #AEA169

    oklch(70.7% 0.076 96.7)

  6. Step 500

    500

    #9B893F

    oklch(63.1% 0.097 95.8)

  7. Step 600

    600

    #857319

    oklch(55.7% 0.106 97.1)

  8. Step 700

    700

    #716008

    oklch(49.1% 0.098 96.6)

  9. Step 800

    800

    #5C4E0E

    oklch(42.6% 0.081 95.9)

  10. Step 900

    900 (this color)

    #43390B

    oklch(34.6% 0.063 96.4)

  11. Step 950

    950

    #2C260E

    oklch(26.9% 0.039 95.5)

Export this scale for Tailwind in the Tailwind colors tool

#43390B 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)#4038040.009
Deuteranopia (no green cones)#423B0E0.006
Tritanopia (no blue cones)#4934300.058
Achromatopsia (no color)#3939390.063

Harmonies

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

Complementary

The opposite hue (180°).

  • #43390B

    #43390B

    oklch(34.6% 0.063 96.4)

  • #31365A

    #31365A

    oklch(34.6% 0.063 276.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #43390B

    #43390B

    oklch(34.6% 0.063 96.4)

  • #4F3210

    #4F3210

    oklch(34.5% 0.063 66.8)

  • #313F18

    #313F18

    oklch(34.5% 0.063 126)

Open the analogous palette in the generator

Split complementary

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

  • #43390B

    #43390B

    oklch(34.6% 0.063 96.4)

  • #1A3C58

    #1A3C58

    oklch(34.5% 0.063 245.9)

  • #423053

    #423053

    oklch(34.5% 0.063 307)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #43390B

    #43390B

    oklch(34.6% 0.063 96.4)

  • #00414E

    #00414E

    oklch(34.6% 0.062 216.5)

  • #4E2C46

    #4E2C46

    oklch(34.6% 0.064 336.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #43390B

    #43390B

    oklch(34.6% 0.063 96.4)

  • #00433E

    #00433E

    oklch(34.5% 0.06 186.4)

  • #31365A

    #31365A

    oklch(34.6% 0.063 276.6)

  • #552A34

    #552A34

    oklch(34.5% 0.064 6.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #43390B, closest first.

Similar named colors

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

Use #43390B 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.