#423709

Closest named color: Dark Olive (#373E02). oklch(33.9% 0.063 94.9), rgb(66, 55, 9).

Aa

White text reads best on this color (11.78:1).

About this color

#423709 is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.063 and its hue 95°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.031 away. White text reads best on it, at 11.78:1.

Hue familyBrowns
Lightnessdark (34%)
Chromamuted (0.063)
Temperaturewarm
Nearest nameDark Olive (#373E02)
Black text1.78:1
White text11.78:1

Values

HEX#423709
RGBrgb(66, 55, 9)
HSLhsl(48, 76%, 15%)
OKLCHoklch(33.9% 0.063 94.9)

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 #423709 11.78:1 AAA Lc -100.6 Preferred for body text
Black text on #423709 1.78:1 Fails Lc 0.0 Not readable
#423709 text on white 11.78:1 AAA Lc 97.0 Preferred for body text
#423709 text on black 1.78:1 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

    #F7F5F1

    oklch(97.1% 0.006 84.6)

  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

    #CAC19F

    oklch(80.9% 0.047 94.9)

  5. Step 400

    400

    #AFA069

    oklch(70.6% 0.076 94.7)

  6. Step 500

    500

    #9C893F

    oklch(63.2% 0.097 95.1)

  7. Step 600

    600

    #87721A

    oklch(55.6% 0.105 94.7)

  8. Step 700

    700

    #725F09

    oklch(49% 0.097 94.8)

  9. Step 800

    800

    #5D4E0E

    oklch(42.7% 0.081 94.9)

  10. Step 900

    900 (this color)

    #423709

    oklch(33.9% 0.063 94.9)

  11. Step 950

    950

    #2D260E

    oklch(27% 0.04 93.3)

Export this scale for Tailwind in the Tailwind colors tool

#423709 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)#3E36030.010
Deuteranopia (no green cones)#41390C0.006
Tritanopia (no blue cones)#48322E0.057
Achromatopsia (no color)#3838380.063

Harmonies

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

Complementary

The opposite hue (180°).

  • #423709

    #423709

    oklch(33.9% 0.063 94.9)

  • #2E3558

    #2E3558

    oklch(34% 0.062 274.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #423709

    #423709

    oklch(33.9% 0.063 94.9)

  • #4E3010

    #4E3010

    oklch(33.9% 0.063 64.3)

  • #303D16

    #303D16

    oklch(33.8% 0.063 125)

Open the analogous palette in the generator

Split complementary

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

  • #423709

    #423709

    oklch(33.9% 0.063 94.9)

  • #183B56

    #183B56

    oklch(34% 0.062 244.5)

  • #3F2F52

    #3F2F52

    oklch(33.9% 0.063 304.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #423709

    #423709

    oklch(33.9% 0.063 94.9)

  • #003F4B

    #003F4B

    oklch(33.9% 0.06 215.5)

  • #4C2B45

    #4C2B45

    oklch(34.1% 0.063 335.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #423709

    #423709

    oklch(33.9% 0.063 94.9)

  • #00423C

    #00423C

    oklch(34.1% 0.06 184.7)

  • #2E3558

    #2E3558

    oklch(34% 0.062 274.1)

  • #522933

    #522933

    oklch(33.9% 0.062 5.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #423709, closest first.

Similar named colors

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

Use #423709 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.