#423907

Closest named color: Dark Olive (#373E02). oklch(34.4% 0.066 98.3), rgb(66, 57, 7).

Aa

White text reads best on this color (11.53:1).

About this color

#423907 is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.066 and its hue 98°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.026 away. White text reads best on it, at 11.53:1.

Hue familyBrowns
Lightnessdark (34%)
Chromamuted (0.066)
Temperaturewarm
Nearest nameDark Olive (#373E02)
Black text1.81:1
White text11.53:1

Values

HEX#423907
RGBrgb(66, 57, 7)
HSLhsl(51, 81%, 14%)
OKLCHoklch(34.4% 0.066 98.3)

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 #423907 11.53:1 AAA Lc -100.2 Preferred for body text
Black text on #423907 1.81:1 Fails Lc 7.4 Not readable
#423907 text on white 11.53:1 AAA Lc 96.5 Preferred for body text
#423907 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

    #F6F6F1

    oklch(97.2% 0.007 106.5)

  2. Step 100

    100

    #ECEADF

    oklch(93.6% 0.015 98.3)

  3. Step 200

    200

    #DDDAC5

    oklch(88.5% 0.028 100.3)

  4. Step 300

    300

    #C9C29D

    oklch(81% 0.05 98.5)

  5. Step 400

    400

    #ADA267

    oklch(70.8% 0.08 99)

  6. Step 500

    500

    #998A3B

    oklch(63.1% 0.101 98.6)

  7. Step 600

    600

    #847310

    oklch(55.5% 0.11 98.3)

  8. Step 700

    700

    #706100

    oklch(49.2% 0.102 98.7)

  9. Step 800

    800

    #5B4F07

    oklch(42.7% 0.085 98.6)

  10. Step 900

    900 (this color)

    #423907

    oklch(34.4% 0.066 98.3)

  11. Step 950

    950

    #2C270C

    oklch(27.1% 0.043 98.9)

Export this scale for Tailwind in the Tailwind colors tool

#423907 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)#4037000.009
Deuteranopia (no green cones)#423A0A0.003
Tritanopia (no blue cones)#4834300.061
Achromatopsia (no color)#3939390.066

Harmonies

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

Complementary

The opposite hue (180°).

  • #423907

    #423907

    oklch(34.4% 0.066 98.3)

  • #31355B

    #31355B

    oklch(34.4% 0.066 277.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #423907

    #423907

    oklch(34.4% 0.066 98.3)

  • #4F320C

    #4F320C

    oklch(34.5% 0.066 69)

  • #2F3F17

    #2F3F17

    oklch(34.3% 0.066 127.7)

Open the analogous palette in the generator

Split complementary

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

  • #423907

    #423907

    oklch(34.4% 0.066 98.3)

  • #1A3B5A

    #1A3B5A

    oklch(34.4% 0.067 249.1)

  • #432F53

    #432F53

    oklch(34.5% 0.066 308.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #423907

    #423907

    oklch(34.4% 0.066 98.3)

  • #00404E

    #00404E

    oklch(34.3% 0.062 218.3)

  • #4F2B45

    #4F2B45

    oklch(34.5% 0.066 338.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #423907

    #423907

    oklch(34.4% 0.066 98.3)

  • #00433F

    #00433F

    oklch(34.5% 0.06 188.1)

  • #31355B

    #31355B

    oklch(34.4% 0.066 277.7)

  • #552932

    #552932

    oklch(34.3% 0.066 8.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #423907, closest first.

Similar named colors

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

Use #423907 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.