#40491D

Closest named color: Green Brown (#544E03). oklch(38.6% 0.067 119.2), rgb(64, 73, 29).

Aa

White text reads best on this color (9.59:1).

About this color

#40491D is a dark, muted brown. In OKLCH its lightness is 39%, its chroma 0.067 and its hue 119°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.041 away. White text reads best on it, at 9.59:1.

Hue familyBrowns
Lightnessdark (39%)
Chromamuted (0.067)
Temperaturein between
Nearest nameGreen Brown (#544E03)
Black text2.18:1
White text9.59:1

Values

HEX#40491D
RGBrgb(64, 73, 29)
HSLhsl(72, 43%, 20%)
OKLCHoklch(38.6% 0.067 119.2)

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 #40491D 9.59:1 AAA Lc -96.4 Preferred for body text
Black text on #40491D 2.18:1 Fails Lc 11.8 Not readable
#40491D text on white 9.59:1 AAA Lc 92.2 Preferred for body text
#40491D text on black 2.18:1 Fails Lc -10.2 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

    #F5F6F1

    oklch(97.1% 0.007 115.7)

  2. Step 100

    100

    #E8EBE1

    oklch(93.5% 0.014 120.3)

  3. Step 200

    200

    #D7DCC8

    oklch(88.5% 0.027 118.4)

  4. Step 300

    300

    #BCC6A2

    oklch(80.9% 0.05 120.1)

  5. Step 400

    400

    #9BA86F

    oklch(70.7% 0.079 118.9)

  6. Step 500

    500

    #829247

    oklch(63% 0.102 119.4)

  7. Step 600

    600

    #6C7C27

    oklch(55.6% 0.111 119.3)

  8. Step 700

    700

    #5A6919

    oklch(49.2% 0.104 119.7)

  9. Step 800

    800

    #4A5518

    oklch(42.6% 0.085 118.9)

  10. Step 900

    900 (this color)

    #40491D

    oklch(38.6% 0.067 119.2)

  11. Step 950

    950

    #242910

    oklch(26.9% 0.042 118.7)

Export this scale for Tailwind in the Tailwind colors tool

#40491D 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)#4E45190.025
Deuteranopia (no green cones)#4D45200.026
Tritanopia (no blue cones)#44453F0.057
Achromatopsia (no color)#4545450.067

Harmonies

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

Complementary

The opposite hue (180°).

  • #40491D

    #40491D

    oklch(38.6% 0.067 119.2)

  • #493C63

    #493C63

    oklch(38.7% 0.066 298.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #40491D

    #40491D

    oklch(38.6% 0.067 119.2)

  • #524214

    #524214

    oklch(38.6% 0.066 89.4)

  • #284E30

    #284E30

    oklch(38.7% 0.067 149.2)

Open the analogous palette in the generator

Split complementary

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

  • #40491D

    #40491D

    oklch(38.6% 0.067 119.2)

  • #364268

    #364268

    oklch(38.7% 0.067 269.8)

  • #583755

    #583755

    oklch(38.7% 0.065 330)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #40491D

    #40491D

    oklch(38.6% 0.067 119.2)

  • #1D4964

    #1D4964

    oklch(38.8% 0.067 238.8)

  • #613443

    #613443

    oklch(38.7% 0.067 359.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #40491D

    #40491D

    oklch(38.6% 0.067 119.2)

  • #004D57

    #004D57

    oklch(38.5% 0.066 209.7)

  • #493C63

    #493C63

    oklch(38.7% 0.066 298.6)

  • #63352F

    #63352F

    oklch(38.6% 0.067 28.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #40491D, closest first.

Similar named colors

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

Use #40491D 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.