#423336

Closest named color: Onyx (#343A40). oklch(33.9% 0.022 4.9), rgb(66, 51, 54).

Aa

White text reads best on this color (11.94:1).

About this color

#423336 is a dark close to neutral grey. In OKLCH its lightness is 34%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.031 away. White text reads best on it, at 11.94:1.

Hue familyNeutrals
Lightnessdark (34%)
Chromaclose to neutral grey (0.022)
Temperatureneutral
Nearest nameOnyx (#343A40)
Black text1.75:1
White text11.94:1

Values

HEX#423336
RGBrgb(66, 51, 54)
HSLhsl(348, 13%, 23%)
OKLCHoklch(33.9% 0.022 4.9)

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 #423336 11.94:1 AAA Lc -100.9 Preferred for body text
Black text on #423336 1.75:1 Fails Lc 0.0 Not readable
#423336 text on white 11.94:1 AAA Lc 97.4 Preferred for body text
#423336 text on black 1.75:1 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

    #F7F5F5

    oklch(97.2% 0.002 17.2)

  2. Step 100

    100

    #EDE8E9

    oklch(93.5% 0.006 3.3)

  3. Step 200

    200

    #DFD7D8

    oklch(88.6% 0.009 8.6)

  4. Step 300

    300

    #CBBCBF

    oklch(80.9% 0.017 3.8)

  5. Step 400

    400

    #B09A9E

    oklch(70.7% 0.027 5.4)

  6. Step 500

    500

    #9C8187

    oklch(63% 0.034 3.2)

  7. Step 600

    600

    #876B70

    oklch(55.7% 0.036 6.3)

  8. Step 700

    700

    #72595E

    oklch(49.1% 0.034 5)

  9. Step 800

    800

    #5D494D

    oklch(42.8% 0.028 4.9)

  10. Step 900

    900 (this color)

    #423336

    oklch(33.9% 0.022 4.9)

  11. Step 950

    950

    #2D2425

    oklch(27.1% 0.014 10.5)

Export this scale for Tailwind in the Tailwind colors tool

#423336 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)#3535360.024
Deuteranopia (no green cones)#3838360.023
Tritanopia (no blue cones)#4532340.006
Achromatopsia (no color)#3737370.022

Harmonies

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

Complementary

The opposite hue (180°).

  • #423336

    #423336

    oklch(33.9% 0.022 4.9)

  • #2B3B39

    #2B3B39

    oklch(33.8% 0.021 186.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #423336

    #423336

    oklch(33.9% 0.022 4.9)

  • #3F333C

    #3F333C

    oklch(33.8% 0.023 335)

  • #423430

    #423430

    oklch(33.9% 0.021 36.5)

Open the analogous palette in the generator

Split complementary

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

  • #423336

    #423336

    oklch(33.9% 0.022 4.9)

  • #2F3B33

    #2F3B33

    oklch(33.9% 0.021 155.9)

  • #2B3B3F

    #2B3B3F

    oklch(34% 0.022 214.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #423336

    #423336

    oklch(33.9% 0.022 4.9)

  • #353A2D

    #353A2D

    oklch(33.9% 0.023 124.7)

  • #2E3943

    #2E3943

    oklch(33.9% 0.023 246)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #423336

    #423336

    oklch(33.9% 0.022 4.9)

  • #3B382B

    #3B382B

    oklch(34% 0.022 96.6)

  • #2B3B39

    #2B3B39

    oklch(33.8% 0.021 186.7)

  • #343743

    #343743

    oklch(33.9% 0.021 274.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #423336, closest first.

Similar named colors

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

Use #423336 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.